Home / 1,811,677.72-2,500,146.32-995,915.76

Finding the Fourth Proportional to 1,811,677.72, 2,500,146.32 and 995,915.76

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Solution

The fourth proportional to 1,811,677.72, 2,500,146.32 and 995,915.76 is: 1,374,380.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,677.72 : 2,500,146.32 = 995,915.76 : x
  2. Step 2: Convert to fraction form
    1,811,677.72/2,500,146.32 = 995,915.76/x
  3. Step 3: Cross multiply
    1,811,677.72x = 2,500,146.32 × 995,915.76
  4. Step 4: Simplify right side
    1,811,677.72x = 2,489,935,122,394.00
  5. Step 5: Solve for x
    x = 2,489,935,122,394.00/1,811,677.72
  6. Step 6: Final answer
    x = 1,374,380.83

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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.