Home / 5,290,149.03-7,937,470.31-2,891,191.12

Finding the Fourth Proportional to 5,290,149.03, 7,937,470.31 and 2,891,191.12

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Solution

The fourth proportional to 5,290,149.03, 7,937,470.31 and 2,891,191.12 is: 4,338,014.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,290,149.03 : 7,937,470.31 = 2,891,191.12 : x
  2. Step 2: Convert to fraction form
    5,290,149.03/7,937,470.31 = 2,891,191.12/x
  3. Step 3: Cross multiply
    5,290,149.03x = 7,937,470.31 × 2,891,191.12
  4. Step 4: Simplify right side
    5,290,149.03x = 22,948,743,657,498.97
  5. Step 5: Solve for x
    x = 22,948,743,657,498.97/5,290,149.03
  6. Step 6: Final answer
    x = 4,338,014.59

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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.