Home / 2,086,630.76-3,131,109.10-1,127,067

Finding the Fourth Proportional to 2,086,630.76, 3,131,109.10 and 1,127,067

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Solution

The fourth proportional to 2,086,630.76, 3,131,109.10 and 1,127,067 is: 1,691,228.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,630.76 : 3,131,109.10 = 1,127,067 : x
  2. Step 2: Convert to fraction form
    2,086,630.76/3,131,109.10 = 1,127,067/x
  3. Step 3: Cross multiply
    2,086,630.76x = 3,131,109.10 × 1,127,067
  4. Step 4: Simplify right side
    2,086,630.76x = 3,528,969,740,009.70
  5. Step 5: Solve for x
    x = 3,528,969,740,009.70/2,086,630.76
  6. Step 6: Final answer
    x = 1,691,228.66

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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.