Home / 6,427,965.20-8,870,727.45-3,527,330.69

Finding the Fourth Proportional to 6,427,965.20, 8,870,727.45 and 3,527,330.69

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Solution

The fourth proportional to 6,427,965.20, 8,870,727.45 and 3,527,330.69 is: 4,867,790.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,427,965.20 : 8,870,727.45 = 3,527,330.69 : x
  2. Step 2: Convert to fraction form
    6,427,965.20/8,870,727.45 = 3,527,330.69/x
  3. Step 3: Cross multiply
    6,427,965.20x = 8,870,727.45 × 3,527,330.69
  4. Step 4: Simplify right side
    6,427,965.20x = 31,289,989,212,414.75
  5. Step 5: Solve for x
    x = 31,289,989,212,414.75/6,427,965.20
  6. Step 6: Final answer
    x = 4,867,790.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.