Home / 3,991,805.91-5,508,694.38-2,156,264.24

Finding the Fourth Proportional to 3,991,805.91, 5,508,694.38 and 2,156,264.24

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Solution

The fourth proportional to 3,991,805.91, 5,508,694.38 and 2,156,264.24 is: 2,975,645.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991,805.91 : 5,508,694.38 = 2,156,264.24 : x
  2. Step 2: Convert to fraction form
    3,991,805.91/5,508,694.38 = 2,156,264.24/x
  3. Step 3: Cross multiply
    3,991,805.91x = 5,508,694.38 × 2,156,264.24
  4. Step 4: Simplify right side
    3,991,805.91x = 11,878,200,673,139.50
  5. Step 5: Solve for x
    x = 11,878,200,673,139.50/3,991,805.91
  6. Step 6: Final answer
    x = 2,975,645.85

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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.