Home / 2,191,660.09-3,022,532.57-1,375,939.78

Finding the Fourth Proportional to 2,191,660.09, 3,022,532.57 and 1,375,939.78

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Solution

The fourth proportional to 2,191,660.09, 3,022,532.57 and 1,375,939.78 is: 1,897,567.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,660.09 : 3,022,532.57 = 1,375,939.78 : x
  2. Step 2: Convert to fraction form
    2,191,660.09/3,022,532.57 = 1,375,939.78/x
  3. Step 3: Cross multiply
    2,191,660.09x = 3,022,532.57 × 1,375,939.78
  4. Step 4: Simplify right side
    2,191,660.09x = 4,158,822,795,292.15
  5. Step 5: Solve for x
    x = 4,158,822,795,292.15/2,191,660.09
  6. Step 6: Final answer
    x = 1,897,567.43

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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.