Home / 2,179,517.40-3,007,687.10-1,261,785.33

Finding the Fourth Proportional to 2,179,517.40, 3,007,687.10 and 1,261,785.33

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Solution

The fourth proportional to 2,179,517.40, 3,007,687.10 and 1,261,785.33 is: 1,741,236.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179,517.40 : 3,007,687.10 = 1,261,785.33 : x
  2. Step 2: Convert to fraction form
    2,179,517.40/3,007,687.10 = 1,261,785.33/x
  3. Step 3: Cross multiply
    2,179,517.40x = 3,007,687.10 × 1,261,785.33
  4. Step 4: Simplify right side
    2,179,517.40x = 3,795,055,453,701.32
  5. Step 5: Solve for x
    x = 3,795,055,453,701.32/2,179,517.40
  6. Step 6: Final answer
    x = 1,741,236.59

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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.