Home / 5,531,273.09-8,297,764.38-1,887,149.72

Finding the Fourth Proportional to 5,531,273.09, 8,297,764.38 and 1,887,149.72

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Solution

The fourth proportional to 5,531,273.09, 8,297,764.38 and 1,887,149.72 is: 2,831,016.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,531,273.09 : 8,297,764.38 = 1,887,149.72 : x
  2. Step 2: Convert to fraction form
    5,531,273.09/8,297,764.38 = 1,887,149.72/x
  3. Step 3: Cross multiply
    5,531,273.09x = 8,297,764.38 × 1,887,149.72
  4. Step 4: Simplify right side
    5,531,273.09x = 15,659,123,684,854.15
  5. Step 5: Solve for x
    x = 15,659,123,684,854.15/5,531,273.09
  6. Step 6: Final answer
    x = 2,831,016.20

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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.