Home / 2,661,249.59-3,991,873.97-639,493.49

Finding the Fourth Proportional to 2,661,249.59, 3,991,873.97 and 639,493.49

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Solution

The fourth proportional to 2,661,249.59, 3,991,873.97 and 639,493.49 is: 959,240.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661,249.59 : 3,991,873.97 = 639,493.49 : x
  2. Step 2: Convert to fraction form
    2,661,249.59/3,991,873.97 = 639,493.49/x
  3. Step 3: Cross multiply
    2,661,249.59x = 3,991,873.97 × 639,493.49
  4. Step 4: Simplify right side
    2,661,249.59x = 2,552,777,393,558.62
  5. Step 5: Solve for x
    x = 2,552,777,393,558.62/2,661,249.59
  6. Step 6: Final answer
    x = 959,240.13

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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.