Home / 2,517,951.78-3,777,464.52-812,190.78

Finding the Fourth Proportional to 2,517,951.78, 3,777,464.52 and 812,190.78

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Solution

The fourth proportional to 2,517,951.78, 3,777,464.52 and 812,190.78 is: 1,218,459.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,517,951.78 : 3,777,464.52 = 812,190.78 : x
  2. Step 2: Convert to fraction form
    2,517,951.78/3,777,464.52 = 812,190.78/x
  3. Step 3: Cross multiply
    2,517,951.78x = 3,777,464.52 × 812,190.78
  4. Step 4: Simplify right side
    2,517,951.78x = 3,068,021,854,921.13
  5. Step 5: Solve for x
    x = 3,068,021,854,921.13/2,517,951.78
  6. Step 6: Final answer
    x = 1,218,459.34

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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.