Home / 5,275,764.30-7,913,646.45-3,120,257.10

Finding the Fourth Proportional to 5,275,764.30, 7,913,646.45 and 3,120,257.10

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Solution

The fourth proportional to 5,275,764.30, 7,913,646.45 and 3,120,257.10 is: 4,680,385.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275,764.30 : 7,913,646.45 = 3,120,257.10 : x
  2. Step 2: Convert to fraction form
    5,275,764.30/7,913,646.45 = 3,120,257.10/x
  3. Step 3: Cross multiply
    5,275,764.30x = 7,913,646.45 × 3,120,257.10
  4. Step 4: Simplify right side
    5,275,764.30x = 24,692,611,522,502.30
  5. Step 5: Solve for x
    x = 24,692,611,522,502.30/5,275,764.30
  6. Step 6: Final answer
    x = 4,680,385.65

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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.