Home / 3,433,998.90-5,150,998.35-2,639,291.70

Finding the Fourth Proportional to 3,433,998.90, 5,150,998.35 and 2,639,291.70

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Solution

The fourth proportional to 3,433,998.90, 5,150,998.35 and 2,639,291.70 is: 3,958,937.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,433,998.90 : 5,150,998.35 = 2,639,291.70 : x
  2. Step 2: Convert to fraction form
    3,433,998.90/5,150,998.35 = 2,639,291.70/x
  3. Step 3: Cross multiply
    3,433,998.90x = 5,150,998.35 × 2,639,291.70
  4. Step 4: Simplify right side
    3,433,998.90x = 13,594,987,191,868.70
  5. Step 5: Solve for x
    x = 13,594,987,191,868.70/3,433,998.90
  6. Step 6: Final answer
    x = 3,958,937.55

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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.