Home / 6,519,749.68-8,998,190.19-3,906,356.97

Finding the Fourth Proportional to 6,519,749.68, 8,998,190.19 and 3,906,356.97

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Solution

The fourth proportional to 6,519,749.68, 8,998,190.19 and 3,906,356.97 is: 5,391,333.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,519,749.68 : 8,998,190.19 = 3,906,356.97 : x
  2. Step 2: Convert to fraction form
    6,519,749.68/8,998,190.19 = 3,906,356.97/x
  3. Step 3: Cross multiply
    6,519,749.68x = 8,998,190.19 × 3,906,356.97
  4. Step 4: Simplify right side
    6,519,749.68x = 35,150,142,966,092.12
  5. Step 5: Solve for x
    x = 35,150,142,966,092.12/6,519,749.68
  6. Step 6: Final answer
    x = 5,391,333.21

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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.