Home / 3,344,126.60-5,016,189.90-819,781.85

Finding the Fourth Proportional to 3,344,126.60, 5,016,189.90 and 819,781.85

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Solution

The fourth proportional to 3,344,126.60, 5,016,189.90 and 819,781.85 is: 1,229,672.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,344,126.60 : 5,016,189.90 = 819,781.85 : x
  2. Step 2: Convert to fraction form
    3,344,126.60/5,016,189.90 = 819,781.85/x
  3. Step 3: Cross multiply
    3,344,126.60x = 5,016,189.90 × 819,781.85
  4. Step 4: Simplify right side
    3,344,126.60x = 4,112,181,436,173.32
  5. Step 5: Solve for x
    x = 4,112,181,436,173.32/3,344,126.60
  6. Step 6: Final answer
    x = 1,229,672.78

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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.