Home / 2,591,781.22-3,887,655.22-1,394,267.50

Finding the Fourth Proportional to 2,591,781.22, 3,887,655.22 and 1,394,267.50

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Solution

The fourth proportional to 2,591,781.22, 3,887,655.22 and 1,394,267.50 is: 2,091,392.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591,781.22 : 3,887,655.22 = 1,394,267.50 : x
  2. Step 2: Convert to fraction form
    2,591,781.22/3,887,655.22 = 1,394,267.50/x
  3. Step 3: Cross multiply
    2,591,781.22x = 3,887,655.22 × 1,394,267.50
  4. Step 4: Simplify right side
    2,591,781.22x = 5,420,431,324,451.35
  5. Step 5: Solve for x
    x = 5,420,431,324,451.35/2,591,781.22
  6. Step 6: Final answer
    x = 2,091,392.31

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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.