Home / 1,540,863.35-2,126,379.89-861,799.85

Finding the Fourth Proportional to 1,540,863.35, 2,126,379.89 and 861,799.85

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Solution

The fourth proportional to 1,540,863.35, 2,126,379.89 and 861,799.85 is: 1,189,277.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,863.35 : 2,126,379.89 = 861,799.85 : x
  2. Step 2: Convert to fraction form
    1,540,863.35/2,126,379.89 = 861,799.85/x
  3. Step 3: Cross multiply
    1,540,863.35x = 2,126,379.89 × 861,799.85
  4. Step 4: Simplify right side
    1,540,863.35x = 1,832,513,861,767.62
  5. Step 5: Solve for x
    x = 1,832,513,861,767.62/1,540,863.35
  6. Step 6: Final answer
    x = 1,189,277.34

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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.