Home / 2,261,584.72-3,391,851.39-663,718.78

Finding the Fourth Proportional to 2,261,584.72, 3,391,851.39 and 663,718.78

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Solution

The fourth proportional to 2,261,584.72, 3,391,851.39 and 663,718.78 is: 995,423.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261,584.72 : 3,391,851.39 = 663,718.78 : x
  2. Step 2: Convert to fraction form
    2,261,584.72/3,391,851.39 = 663,718.78/x
  3. Step 3: Cross multiply
    2,261,584.72x = 3,391,851.39 × 663,718.78
  4. Step 4: Simplify right side
    2,261,584.72x = 2,251,235,466,512.10
  5. Step 5: Solve for x
    x = 2,251,235,466,512.10/2,261,584.72
  6. Step 6: Final answer
    x = 995,423.89

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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.