Home / 3,487,788.28-5,231,781.78-963,443.80

Finding the Fourth Proportional to 3,487,788.28, 5,231,781.78 and 963,443.80

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Solution

The fourth proportional to 3,487,788.28, 5,231,781.78 and 963,443.80 is: 1,445,193.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487,788.28 : 5,231,781.78 = 963,443.80 : x
  2. Step 2: Convert to fraction form
    3,487,788.28/5,231,781.78 = 963,443.80/x
  3. Step 3: Cross multiply
    3,487,788.28x = 5,231,781.78 × 963,443.80
  4. Step 4: Simplify right side
    3,487,788.28x = 5,040,527,718,893.97
  5. Step 5: Solve for x
    x = 5,040,527,718,893.97/3,487,788.28
  6. Step 6: Final answer
    x = 1,445,193.15

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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.