Home / 3,911,691.20-5,867,536.80-2,567,998.40

Finding the Fourth Proportional to 3,911,691.20, 5,867,536.80 and 2,567,998.40

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Solution

The fourth proportional to 3,911,691.20, 5,867,536.80 and 2,567,998.40 is: 3,851,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911,691.20 : 5,867,536.80 = 2,567,998.40 : x
  2. Step 2: Convert to fraction form
    3,911,691.20/5,867,536.80 = 2,567,998.40/x
  3. Step 3: Cross multiply
    3,911,691.20x = 5,867,536.80 × 2,567,998.40
  4. Step 4: Simplify right side
    3,911,691.20x = 15,067,825,114,341.12
  5. Step 5: Solve for x
    x = 15,067,825,114,341.12/3,911,691.20
  6. Step 6: Final answer
    x = 3,851,997.60

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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.