Home / 2,086,087.60-3,129,131.40-756,218.80

Finding the Fourth Proportional to 2,086,087.60, 3,129,131.40 and 756,218.80

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Solution

The fourth proportional to 2,086,087.60, 3,129,131.40 and 756,218.80 is: 1,134,328.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,087.60 : 3,129,131.40 = 756,218.80 : x
  2. Step 2: Convert to fraction form
    2,086,087.60/3,129,131.40 = 756,218.80/x
  3. Step 3: Cross multiply
    2,086,087.60x = 3,129,131.40 × 756,218.80
  4. Step 4: Simplify right side
    2,086,087.60x = 2,366,307,992,350.32
  5. Step 5: Solve for x
    x = 2,366,307,992,350.32/2,086,087.60
  6. Step 6: Final answer
    x = 1,134,328.20

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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.