Home / 2,712,432-4,068,549.72-819,125.04

Finding the Fourth Proportional to 2,712,432, 4,068,549.72 and 819,125.04

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Solution

The fourth proportional to 2,712,432, 4,068,549.72 and 819,125.04 is: 1,228,657.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712,432 : 4,068,549.72 = 819,125.04 : x
  2. Step 2: Convert to fraction form
    2,712,432/4,068,549.72 = 819,125.04/x
  3. Step 3: Cross multiply
    2,712,432x = 4,068,549.72 × 819,125.04
  4. Step 4: Simplify right side
    2,712,432x = 3,332,650,952,136.99
  5. Step 5: Solve for x
    x = 3,332,650,952,136.99/2,712,432
  6. Step 6: Final answer
    x = 1,228,657.88

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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.