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Finding the Fourth Proportional to 5,826,874.80, 8,737,687.80 and 2,231,446.80

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Solution

The fourth proportional to 5,826,874.80, 8,737,687.80 and 2,231,446.80 is: 3,346,165.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,826,874.80 : 8,737,687.80 = 2,231,446.80 : x
  2. Step 2: Convert to fraction form
    5,826,874.80/8,737,687.80 = 2,231,446.80/x
  3. Step 3: Cross multiply
    5,826,874.80x = 8,737,687.80 × 2,231,446.80
  4. Step 4: Simplify right side
    5,826,874.80x = 19,497,685,480,709.04
  5. Step 5: Solve for x
    x = 19,497,685,480,709.04/5,826,874.80
  6. Step 6: Final answer
    x = 3,346,165.17

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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.