Home / 2,784,545.28-4,176,821.57-762,807.15

Finding the Fourth Proportional to 2,784,545.28, 4,176,821.57 and 762,807.15

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Solution

The fourth proportional to 2,784,545.28, 4,176,821.57 and 762,807.15 is: 1,144,211.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784,545.28 : 4,176,821.57 = 762,807.15 : x
  2. Step 2: Convert to fraction form
    2,784,545.28/4,176,821.57 = 762,807.15/x
  3. Step 3: Cross multiply
    2,784,545.28x = 4,176,821.57 × 762,807.15
  4. Step 4: Simplify right side
    2,784,545.28x = 3,186,109,354,056.19
  5. Step 5: Solve for x
    x = 3,186,109,354,056.19/2,784,545.28
  6. Step 6: Final answer
    x = 1,144,211.72

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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.