Home / 2,179,523.12-3,007,695.04-1,261,791.12

Finding the Fourth Proportional to 2,179,523.12, 3,007,695.04 and 1,261,791.12

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Solution

The fourth proportional to 2,179,523.12, 3,007,695.04 and 1,261,791.12 is: 1,741,244.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179,523.12 : 3,007,695.04 = 1,261,791.12 : x
  2. Step 2: Convert to fraction form
    2,179,523.12/3,007,695.04 = 1,261,791.12/x
  3. Step 3: Cross multiply
    2,179,523.12x = 3,007,695.04 × 1,261,791.12
  4. Step 4: Simplify right side
    2,179,523.12x = 3,795,082,893,140.05
  5. Step 5: Solve for x
    x = 3,795,082,893,140.05/2,179,523.12
  6. Step 6: Final answer
    x = 1,741,244.61

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1.5x scale

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.