Home / 2,847,410.76-3,929,427-1,558,251.48

Finding the Fourth Proportional to 2,847,410.76, 3,929,427 and 1,558,251.48

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Solution

The fourth proportional to 2,847,410.76, 3,929,427 and 1,558,251.48 is: 2,150,387.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847,410.76 : 3,929,427 = 1,558,251.48 : x
  2. Step 2: Convert to fraction form
    2,847,410.76/3,929,427 = 1,558,251.48/x
  3. Step 3: Cross multiply
    2,847,410.76x = 3,929,427 × 1,558,251.48
  4. Step 4: Simplify right side
    2,847,410.76x = 6,123,035,438,301.96
  5. Step 5: Solve for x
    x = 6,123,035,438,301.96/2,847,410.76
  6. Step 6: Final answer
    x = 2,150,387.13

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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.