Home / 7,979,590.57-11,971,067.12-2,587,820.58

Finding the Fourth Proportional to 7,979,590.57, 11,971,067.12 and 2,587,820.58

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Solution

The fourth proportional to 7,979,590.57, 11,971,067.12 and 2,587,820.58 is: 3,882,276.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979,590.57 : 11,971,067.12 = 2,587,820.58 : x
  2. Step 2: Convert to fraction form
    7,979,590.57/11,971,067.12 = 2,587,820.58/x
  3. Step 3: Cross multiply
    7,979,590.57x = 11,971,067.12 × 2,587,820.58
  4. Step 4: Simplify right side
    7,979,590.57x = 30,978,973,820,793.93
  5. Step 5: Solve for x
    x = 30,978,973,820,793.93/7,979,590.57
  6. Step 6: Final answer
    x = 3,882,276.11

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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.