Home / 2,176,754.80-3,002,695.70-1,305,357.44

Finding the Fourth Proportional to 2,176,754.80, 3,002,695.70 and 1,305,357.44

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Solution

The fourth proportional to 2,176,754.80, 3,002,695.70 and 1,305,357.44 is: 1,800,658.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176,754.80 : 3,002,695.70 = 1,305,357.44 : x
  2. Step 2: Convert to fraction form
    2,176,754.80/3,002,695.70 = 1,305,357.44/x
  3. Step 3: Cross multiply
    2,176,754.80x = 3,002,695.70 × 1,305,357.44
  4. Step 4: Simplify right side
    2,176,754.80x = 3,919,591,172,051.01
  5. Step 5: Solve for x
    x = 3,919,591,172,051.01/2,176,754.80
  6. Step 6: Final answer
    x = 1,800,658.10

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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.