Home / 3,953,905.40-5,930,858.10-3,670,470.20

Finding the Fourth Proportional to 3,953,905.40, 5,930,858.10 and 3,670,470.20

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Solution

The fourth proportional to 3,953,905.40, 5,930,858.10 and 3,670,470.20 is: 5,505,705.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953,905.40 : 5,930,858.10 = 3,670,470.20 : x
  2. Step 2: Convert to fraction form
    3,953,905.40/5,930,858.10 = 3,670,470.20/x
  3. Step 3: Cross multiply
    3,953,905.40x = 5,930,858.10 × 3,670,470.20
  4. Step 4: Simplify right side
    3,953,905.40x = 21,769,037,916,478.62
  5. Step 5: Solve for x
    x = 21,769,037,916,478.62/3,953,905.40
  6. Step 6: Final answer
    x = 5,505,705.30

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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.