Home / 2,179,486.80-3,007,644.88-1,261,754.76

Finding the Fourth Proportional to 2,179,486.80, 3,007,644.88 and 1,261,754.76

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Solution

The fourth proportional to 2,179,486.80, 3,007,644.88 and 1,261,754.76 is: 1,741,194.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179,486.80 : 3,007,644.88 = 1,261,754.76 : x
  2. Step 2: Convert to fraction form
    2,179,486.80/3,007,644.88 = 1,261,754.76/x
  3. Step 3: Cross multiply
    2,179,486.80x = 3,007,644.88 × 1,261,754.76
  4. Step 4: Simplify right side
    2,179,486.80x = 3,794,910,243,729.63
  5. Step 5: Solve for x
    x = 3,794,910,243,729.63/2,179,486.80
  6. Step 6: Final answer
    x = 1,741,194.42

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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.