Home / 6,442,565.20-9,665,014.20-3,239,630.80

Finding the Fourth Proportional to 6,442,565.20, 9,665,014.20 and 3,239,630.80

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Solution

The fourth proportional to 6,442,565.20, 9,665,014.20 and 3,239,630.80 is: 4,860,032.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,442,565.20 : 9,665,014.20 = 3,239,630.80 : x
  2. Step 2: Convert to fraction form
    6,442,565.20/9,665,014.20 = 3,239,630.80/x
  3. Step 3: Cross multiply
    6,442,565.20x = 9,665,014.20 × 3,239,630.80
  4. Step 4: Simplify right side
    6,442,565.20x = 31,311,077,684,757.36
  5. Step 5: Solve for x
    x = 31,311,077,684,757.36/6,442,565.20
  6. Step 6: Final answer
    x = 4,860,032.72

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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.