Home / 2,131,979.80-3,199,719.30-2,061,995.80

Finding the Fourth Proportional to 2,131,979.80, 3,199,719.30 and 2,061,995.80

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Solution

The fourth proportional to 2,131,979.80, 3,199,719.30 and 2,061,995.80 is: 3,094,685.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,979.80 : 3,199,719.30 = 2,061,995.80 : x
  2. Step 2: Convert to fraction form
    2,131,979.80/3,199,719.30 = 2,061,995.80/x
  3. Step 3: Cross multiply
    2,131,979.80x = 3,199,719.30 × 2,061,995.80
  4. Step 4: Simplify right side
    2,131,979.80x = 6,597,807,757,778.94
  5. Step 5: Solve for x
    x = 6,597,807,757,778.94/2,131,979.80
  6. Step 6: Final answer
    x = 3,094,685.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.