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Finding the Fourth Proportional to 5,679,834.48, 8,522,851.73 and 3,288,349.98

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Solution

The fourth proportional to 5,679,834.48, 8,522,851.73 and 3,288,349.98 is: 4,934,319.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,679,834.48 : 8,522,851.73 = 3,288,349.98 : x
  2. Step 2: Convert to fraction form
    5,679,834.48/8,522,851.73 = 3,288,349.98/x
  3. Step 3: Cross multiply
    5,679,834.48x = 8,522,851.73 × 3,288,349.98
  4. Step 4: Simplify right side
    5,679,834.48x = 28,026,119,299,446.71
  5. Step 5: Solve for x
    x = 28,026,119,299,446.71/5,679,834.48
  6. Step 6: Final answer
    x = 4,934,319.72

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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.