Home / 5,162,589-7,124,095.80-2,987,167.68

Finding the Fourth Proportional to 5,162,589, 7,124,095.80 and 2,987,167.68

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Solution

The fourth proportional to 5,162,589, 7,124,095.80 and 2,987,167.68 is: 4,122,131.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,162,589 : 7,124,095.80 = 2,987,167.68 : x
  2. Step 2: Convert to fraction form
    5,162,589/7,124,095.80 = 2,987,167.68/x
  3. Step 3: Cross multiply
    5,162,589x = 7,124,095.80 × 2,987,167.68
  4. Step 4: Simplify right side
    5,162,589x = 21,280,868,722,983.75
  5. Step 5: Solve for x
    x = 21,280,868,722,983.75/5,162,589
  6. Step 6: Final answer
    x = 4,122,131.11

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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.