Home / 4,155,378.20-6,233,067.30-3,987,416.60

Finding the Fourth Proportional to 4,155,378.20, 6,233,067.30 and 3,987,416.60

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Solution

The fourth proportional to 4,155,378.20, 6,233,067.30 and 3,987,416.60 is: 5,981,124.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155,378.20 : 6,233,067.30 = 3,987,416.60 : x
  2. Step 2: Convert to fraction form
    4,155,378.20/6,233,067.30 = 3,987,416.60/x
  3. Step 3: Cross multiply
    4,155,378.20x = 6,233,067.30 × 3,987,416.60
  4. Step 4: Simplify right side
    4,155,378.20x = 24,853,836,020,937.18
  5. Step 5: Solve for x
    x = 24,853,836,020,937.18/4,155,378.20
  6. Step 6: Final answer
    x = 5,981,124.90

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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.