Home / 3,991,805.70-5,508,694.12-2,156,264.04

Finding the Fourth Proportional to 3,991,805.70, 5,508,694.12 and 2,156,264.04

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Solution

The fourth proportional to 3,991,805.70, 5,508,694.12 and 2,156,264.04 is: 2,975,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991,805.70 : 5,508,694.12 = 2,156,264.04 : x
  2. Step 2: Convert to fraction form
    3,991,805.70/5,508,694.12 = 2,156,264.04/x
  3. Step 3: Cross multiply
    3,991,805.70x = 5,508,694.12 × 2,156,264.04
  4. Step 4: Simplify right side
    3,991,805.70x = 11,878,199,057,625.38
  5. Step 5: Solve for x
    x = 11,878,199,057,625.38/3,991,805.70
  6. Step 6: Final answer
    x = 2,975,645.60

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Double scale
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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.