Home / 2,156,279.14-2,975,832.30-1,189,493.92

Finding the Fourth Proportional to 2,156,279.14, 2,975,832.30 and 1,189,493.92

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Solution

The fourth proportional to 2,156,279.14, 2,975,832.30 and 1,189,493.92 is: 1,641,593.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,279.14 : 2,975,832.30 = 1,189,493.92 : x
  2. Step 2: Convert to fraction form
    2,156,279.14/2,975,832.30 = 1,189,493.92/x
  3. Step 3: Cross multiply
    2,156,279.14x = 2,975,832.30 × 1,189,493.92
  4. Step 4: Simplify right side
    2,156,279.14x = 3,539,734,427,789.62
  5. Step 5: Solve for x
    x = 3,539,734,427,789.62/2,156,279.14
  6. Step 6: Final answer
    x = 1,641,593.78

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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.