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Finding the Fourth Proportional to 6,961,793.52, 9,607,429.80 and 4,061,379.54

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Solution

The fourth proportional to 6,961,793.52, 9,607,429.80 and 4,061,379.54 is: 5,604,794.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,961,793.52 : 9,607,429.80 = 4,061,379.54 : x
  2. Step 2: Convert to fraction form
    6,961,793.52/9,607,429.80 = 4,061,379.54/x
  3. Step 3: Cross multiply
    6,961,793.52x = 9,607,429.80 × 4,061,379.54
  4. Step 4: Simplify right side
    6,961,793.52x = 39,019,418,821,706.30
  5. Step 5: Solve for x
    x = 39,019,418,821,706.30/6,961,793.52
  6. Step 6: Final answer
    x = 5,604,794.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.