Home / 3,129,734.28-4,319,139.44-1,753,136.76

Finding the Fourth Proportional to 3,129,734.28, 4,319,139.44 and 1,753,136.76

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Solution

The fourth proportional to 3,129,734.28, 4,319,139.44 and 1,753,136.76 is: 2,419,388.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,734.28 : 4,319,139.44 = 1,753,136.76 : x
  2. Step 2: Convert to fraction form
    3,129,734.28/4,319,139.44 = 1,753,136.76/x
  3. Step 3: Cross multiply
    3,129,734.28x = 4,319,139.44 × 1,753,136.76
  4. Step 4: Simplify right side
    3,129,734.28x = 7,572,042,123,829.82
  5. Step 5: Solve for x
    x = 7,572,042,123,829.82/3,129,734.28
  6. Step 6: Final answer
    x = 2,419,388.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.