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Finding the Fourth Proportional to 2,663,680, 3,995,523.84 and 1,087,744

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Solution

The fourth proportional to 2,663,680, 3,995,523.84 and 1,087,744 is: 1,631,617.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,663,680 : 3,995,523.84 = 1,087,744 : x
  2. Step 2: Convert to fraction form
    2,663,680/3,995,523.84 = 1,087,744/x
  3. Step 3: Cross multiply
    2,663,680x = 3,995,523.84 × 1,087,744
  4. Step 4: Simplify right side
    2,663,680x = 4,346,107,083,816.96
  5. Step 5: Solve for x
    x = 4,346,107,083,816.96/2,663,680
  6. Step 6: Final answer
    x = 1,631,617.57

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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.