Home / 3,887,149.40-5,364,229.56-2,144,834.54

Finding the Fourth Proportional to 3,887,149.40, 5,364,229.56 and 2,144,834.54

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Solution

The fourth proportional to 3,887,149.40, 5,364,229.56 and 2,144,834.54 is: 2,959,851.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887,149.40 : 5,364,229.56 = 2,144,834.54 : x
  2. Step 2: Convert to fraction form
    3,887,149.40/5,364,229.56 = 2,144,834.54/x
  3. Step 3: Cross multiply
    3,887,149.40x = 5,364,229.56 × 2,144,834.54
  4. Step 4: Simplify right side
    3,887,149.40x = 11,505,384,840,777.00
  5. Step 5: Solve for x
    x = 11,505,384,840,777.00/3,887,149.40
  6. Step 6: Final answer
    x = 2,959,851.46

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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.