Home / 2,195,796.38-3,029,837.46-1,379,421.92

Finding the Fourth Proportional to 2,195,796.38, 3,029,837.46 and 1,379,421.92

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Solution

The fourth proportional to 2,195,796.38, 3,029,837.46 and 1,379,421.92 is: 1,903,375.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195,796.38 : 3,029,837.46 = 1,379,421.92 : x
  2. Step 2: Convert to fraction form
    2,195,796.38/3,029,837.46 = 1,379,421.92/x
  3. Step 3: Cross multiply
    2,195,796.38x = 3,029,837.46 × 1,379,421.92
  4. Step 4: Simplify right side
    2,195,796.38x = 4,179,424,206,361.12
  5. Step 5: Solve for x
    x = 4,179,424,206,361.12/2,195,796.38
  6. Step 6: Final answer
    x = 1,903,375.12

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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.