Home / 2,685,512.97-4,028,229.81-663,757.11

Finding the Fourth Proportional to 2,685,512.97, 4,028,229.81 and 663,757.11

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Solution

The fourth proportional to 2,685,512.97, 4,028,229.81 and 663,757.11 is: 995,625.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685,512.97 : 4,028,229.81 = 663,757.11 : x
  2. Step 2: Convert to fraction form
    2,685,512.97/4,028,229.81 = 663,757.11/x
  3. Step 3: Cross multiply
    2,685,512.97x = 4,028,229.81 × 663,757.11
  4. Step 4: Simplify right side
    2,685,512.97x = 2,673,766,177,101.45
  5. Step 5: Solve for x
    x = 2,673,766,177,101.45/2,685,512.97
  6. Step 6: Final answer
    x = 995,625.87

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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.