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Finding the Fourth Proportional to 6,463,388.73, 9,696,502.08 and 1,914,793.64

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Solution

The fourth proportional to 6,463,388.73, 9,696,502.08 and 1,914,793.64 is: 2,872,610.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,463,388.73 : 9,696,502.08 = 1,914,793.64 : x
  2. Step 2: Convert to fraction form
    6,463,388.73/9,696,502.08 = 1,914,793.64/x
  3. Step 3: Cross multiply
    6,463,388.73x = 9,696,502.08 × 1,914,793.64
  4. Step 4: Simplify right side
    6,463,388.73x = 18,566,800,464,548.26
  5. Step 5: Solve for x
    x = 18,566,800,464,548.26/6,463,388.73
  6. Step 6: Final answer
    x = 2,872,610.83

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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.