Home / 2,479,437.20-3,421,508.17-1,376,938.61

Finding the Fourth Proportional to 2,479,437.20, 3,421,508.17 and 1,376,938.61

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Solution

The fourth proportional to 2,479,437.20, 3,421,508.17 and 1,376,938.61 is: 1,900,111.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479,437.20 : 3,421,508.17 = 1,376,938.61 : x
  2. Step 2: Convert to fraction form
    2,479,437.20/3,421,508.17 = 1,376,938.61/x
  3. Step 3: Cross multiply
    2,479,437.20x = 3,421,508.17 × 1,376,938.61
  4. Step 4: Simplify right side
    2,479,437.20x = 4,711,206,694,693.33
  5. Step 5: Solve for x
    x = 4,711,206,694,693.33/2,479,437.20
  6. Step 6: Final answer
    x = 1,900,111.32

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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.