Home / 2,132,389.93-3,198,753.17-712,451.02

Finding the Fourth Proportional to 2,132,389.93, 3,198,753.17 and 712,451.02

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Solution

The fourth proportional to 2,132,389.93, 3,198,753.17 and 712,451.02 is: 1,068,732.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132,389.93 : 3,198,753.17 = 712,451.02 : x
  2. Step 2: Convert to fraction form
    2,132,389.93/3,198,753.17 = 712,451.02/x
  3. Step 3: Cross multiply
    2,132,389.93x = 3,198,753.17 × 712,451.02
  4. Step 4: Simplify right side
    2,132,389.93x = 2,278,954,958,694.73
  5. Step 5: Solve for x
    x = 2,278,954,958,694.73/2,132,389.93
  6. Step 6: Final answer
    x = 1,068,732.75

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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.