Home / 2,639,119.80-3,958,679.70-2,339,938.20

Finding the Fourth Proportional to 2,639,119.80, 3,958,679.70 and 2,339,938.20

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Solution

The fourth proportional to 2,639,119.80, 3,958,679.70 and 2,339,938.20 is: 3,509,907.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,119.80 : 3,958,679.70 = 2,339,938.20 : x
  2. Step 2: Convert to fraction form
    2,639,119.80/3,958,679.70 = 2,339,938.20/x
  3. Step 3: Cross multiply
    2,639,119.80x = 3,958,679.70 × 2,339,938.20
  4. Step 4: Simplify right side
    2,639,119.80x = 9,263,065,851,594.54
  5. Step 5: Solve for x
    x = 9,263,065,851,594.54/2,639,119.80
  6. Step 6: Final answer
    x = 3,509,907.30

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.