Home / 3,280,502.60-4,920,753.90-3,147,642.35

Finding the Fourth Proportional to 3,280,502.60, 4,920,753.90 and 3,147,642.35

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Solution

The fourth proportional to 3,280,502.60, 4,920,753.90 and 3,147,642.35 is: 4,721,463.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,502.60 : 4,920,753.90 = 3,147,642.35 : x
  2. Step 2: Convert to fraction form
    3,280,502.60/4,920,753.90 = 3,147,642.35/x
  3. Step 3: Cross multiply
    3,280,502.60x = 4,920,753.90 × 3,147,642.35
  4. Step 4: Simplify right side
    3,280,502.60x = 15,488,773,369,567.67
  5. Step 5: Solve for x
    x = 15,488,773,369,567.67/3,280,502.60
  6. Step 6: Final answer
    x = 4,721,463.53

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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.