Home / 5,248,489.80-7,876,233.90-2,407,139.40

Finding the Fourth Proportional to 5,248,489.80, 7,876,233.90 and 2,407,139.40

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Solution

The fourth proportional to 5,248,489.80, 7,876,233.90 and 2,407,139.40 is: 3,612,313.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248,489.80 : 7,876,233.90 = 2,407,139.40 : x
  2. Step 2: Convert to fraction form
    5,248,489.80/7,876,233.90 = 2,407,139.40/x
  3. Step 3: Cross multiply
    5,248,489.80x = 7,876,233.90 × 2,407,139.40
  4. Step 4: Simplify right side
    5,248,489.80x = 18,959,192,944,305.66
  5. Step 5: Solve for x
    x = 18,959,192,944,305.66/5,248,489.80
  6. Step 6: Final answer
    x = 3,612,313.95

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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.