Home / 6,849,393.12-9,452,067.12-3,948,789.60

Finding the Fourth Proportional to 6,849,393.12, 9,452,067.12 and 3,948,789.60

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Solution

The fourth proportional to 6,849,393.12, 9,452,067.12 and 3,948,789.60 is: 5,449,274.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,849,393.12 : 9,452,067.12 = 3,948,789.60 : x
  2. Step 2: Convert to fraction form
    6,849,393.12/9,452,067.12 = 3,948,789.60/x
  3. Step 3: Cross multiply
    6,849,393.12x = 9,452,067.12 × 3,948,789.60
  4. Step 4: Simplify right side
    6,849,393.12x = 37,324,224,341,957.95
  5. Step 5: Solve for x
    x = 37,324,224,341,957.95/6,849,393.12
  6. Step 6: Final answer
    x = 5,449,274.66

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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.