Home / 1,811,671.91-2,500,138.31-995,909.97

Finding the Fourth Proportional to 1,811,671.91, 2,500,138.31 and 995,909.97

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Solution

The fourth proportional to 1,811,671.91, 2,500,138.31 and 995,909.97 is: 1,374,372.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,671.91 : 2,500,138.31 = 995,909.97 : x
  2. Step 2: Convert to fraction form
    1,811,671.91/2,500,138.31 = 995,909.97/x
  3. Step 3: Cross multiply
    1,811,671.91x = 2,500,138.31 × 995,909.97
  4. Step 4: Simplify right side
    1,811,671.91x = 2,489,912,681,173.24
  5. Step 5: Solve for x
    x = 2,489,912,681,173.24/1,811,671.91
  6. Step 6: Final answer
    x = 1,374,372.85

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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.