Home / 2,668,688.76-4,002,432.96-1,227,990.24

Finding the Fourth Proportional to 2,668,688.76, 4,002,432.96 and 1,227,990.24

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Solution

The fourth proportional to 2,668,688.76, 4,002,432.96 and 1,227,990.24 is: 1,841,709.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668,688.76 : 4,002,432.96 = 1,227,990.24 : x
  2. Step 2: Convert to fraction form
    2,668,688.76/4,002,432.96 = 1,227,990.24/x
  3. Step 3: Cross multiply
    2,668,688.76x = 4,002,432.96 × 1,227,990.24
  4. Step 4: Simplify right side
    2,668,688.76x = 4,914,948,611,134.31
  5. Step 5: Solve for x
    x = 4,914,948,611,134.31/2,668,688.76
  6. Step 6: Final answer
    x = 1,841,709.19

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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.