Home / 3,987,791.44-5,503,174.60-2,268,911.96

Finding the Fourth Proportional to 3,987,791.44, 5,503,174.60 and 2,268,911.96

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Solution

The fourth proportional to 3,987,791.44, 5,503,174.60 and 2,268,911.96 is: 3,131,111.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987,791.44 : 5,503,174.60 = 2,268,911.96 : x
  2. Step 2: Convert to fraction form
    3,987,791.44/5,503,174.60 = 2,268,911.96/x
  3. Step 3: Cross multiply
    3,987,791.44x = 5,503,174.60 × 2,268,911.96
  4. Step 4: Simplify right side
    3,987,791.44x = 12,486,218,665,992.49
  5. Step 5: Solve for x
    x = 12,486,218,665,992.49/3,987,791.44
  6. Step 6: Final answer
    x = 3,131,111.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.