Home / 2,138,566.75-3,207,822.45-519,348.85

Finding the Fourth Proportional to 2,138,566.75, 3,207,822.45 and 519,348.85

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Solution

The fourth proportional to 2,138,566.75, 3,207,822.45 and 519,348.85 is: 779,016.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,566.75 : 3,207,822.45 = 519,348.85 : x
  2. Step 2: Convert to fraction form
    2,138,566.75/3,207,822.45 = 519,348.85/x
  3. Step 3: Cross multiply
    2,138,566.75x = 3,207,822.45 × 519,348.85
  4. Step 4: Simplify right side
    2,138,566.75x = 1,665,978,900,411.68
  5. Step 5: Solve for x
    x = 1,665,978,900,411.68/2,138,566.75
  6. Step 6: Final answer
    x = 779,016.55

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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.