Home / 6,472,919.20-9,711,711.60-2,689,117.60

Finding the Fourth Proportional to 6,472,919.20, 9,711,711.60 and 2,689,117.60

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Solution

The fourth proportional to 6,472,919.20, 9,711,711.60 and 2,689,117.60 is: 4,034,645.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,472,919.20 : 9,711,711.60 = 2,689,117.60 : x
  2. Step 2: Convert to fraction form
    6,472,919.20/9,711,711.60 = 2,689,117.60/x
  3. Step 3: Cross multiply
    6,472,919.20x = 9,711,711.60 × 2,689,117.60
  4. Step 4: Simplify right side
    6,472,919.20x = 26,115,934,589,684.16
  5. Step 5: Solve for x
    x = 26,115,934,589,684.16/6,472,919.20
  6. Step 6: Final answer
    x = 4,034,645.54

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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.