Home / 2,261,581.72-3,391,846.89-663,715.78

Finding the Fourth Proportional to 2,261,581.72, 3,391,846.89 and 663,715.78

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Solution

The fourth proportional to 2,261,581.72, 3,391,846.89 and 663,715.78 is: 995,419.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261,581.72 : 3,391,846.89 = 663,715.78 : x
  2. Step 2: Convert to fraction form
    2,261,581.72/3,391,846.89 = 663,715.78/x
  3. Step 3: Cross multiply
    2,261,581.72x = 3,391,846.89 × 663,715.78
  4. Step 4: Simplify right side
    2,261,581.72x = 2,251,222,304,236.92
  5. Step 5: Solve for x
    x = 2,251,222,304,236.92/2,261,581.72
  6. Step 6: Final answer
    x = 995,419.39

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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.