Home / 5,275,326.30-7,912,211.85-1,489,191.90

Finding the Fourth Proportional to 5,275,326.30, 7,912,211.85 and 1,489,191.90

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Solution

The fourth proportional to 5,275,326.30, 7,912,211.85 and 1,489,191.90 is: 2,233,568.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275,326.30 : 7,912,211.85 = 1,489,191.90 : x
  2. Step 2: Convert to fraction form
    5,275,326.30/7,912,211.85 = 1,489,191.90/x
  3. Step 3: Cross multiply
    5,275,326.30x = 7,912,211.85 × 1,489,191.90
  4. Step 4: Simplify right side
    5,275,326.30x = 11,782,801,798,104.01
  5. Step 5: Solve for x
    x = 11,782,801,798,104.01/5,275,326.30
  6. Step 6: Final answer
    x = 2,233,568.34

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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.