Home / 4,313,145.20-6,468,610.20-1,279,793.60

Finding the Fourth Proportional to 4,313,145.20, 6,468,610.20 and 1,279,793.60

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Solution

The fourth proportional to 4,313,145.20, 6,468,610.20 and 1,279,793.60 is: 1,919,361.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,313,145.20 : 6,468,610.20 = 1,279,793.60 : x
  2. Step 2: Convert to fraction form
    4,313,145.20/6,468,610.20 = 1,279,793.60/x
  3. Step 3: Cross multiply
    4,313,145.20x = 6,468,610.20 × 1,279,793.60
  4. Step 4: Simplify right side
    4,313,145.20x = 8,278,485,934,854.72
  5. Step 5: Solve for x
    x = 8,278,485,934,854.72/4,313,145.20
  6. Step 6: Final answer
    x = 1,919,361.75

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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.