Home / 5,215,080.30-7,822,620.45-3,419,006.55

Finding the Fourth Proportional to 5,215,080.30, 7,822,620.45 and 3,419,006.55

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Solution

The fourth proportional to 5,215,080.30, 7,822,620.45 and 3,419,006.55 is: 5,128,509.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215,080.30 : 7,822,620.45 = 3,419,006.55 : x
  2. Step 2: Convert to fraction form
    5,215,080.30/7,822,620.45 = 3,419,006.55/x
  3. Step 3: Cross multiply
    5,215,080.30x = 7,822,620.45 × 3,419,006.55
  4. Step 4: Simplify right side
    5,215,080.30x = 26,745,590,556,713.95
  5. Step 5: Solve for x
    x = 26,745,590,556,713.95/5,215,080.30
  6. Step 6: Final answer
    x = 5,128,509.83

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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.