Home / 5,213,731.73-7,195,375.86-2,891,351.57

Finding the Fourth Proportional to 5,213,731.73, 7,195,375.86 and 2,891,351.57

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Solution

The fourth proportional to 5,213,731.73, 7,195,375.86 and 2,891,351.57 is: 3,990,301.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213,731.73 : 7,195,375.86 = 2,891,351.57 : x
  2. Step 2: Convert to fraction form
    5,213,731.73/7,195,375.86 = 2,891,351.57/x
  3. Step 3: Cross multiply
    5,213,731.73x = 7,195,375.86 × 2,891,351.57
  4. Step 4: Simplify right side
    5,213,731.73x = 20,804,361,291,399.45
  5. Step 5: Solve for x
    x = 20,804,361,291,399.45/5,213,731.73
  6. Step 6: Final answer
    x = 3,990,301.45

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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.