Home / 2,192,191.23-3,025,287.64-1,198,817.43

Finding the Fourth Proportional to 2,192,191.23, 3,025,287.64 and 1,198,817.43

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Solution

The fourth proportional to 2,192,191.23, 3,025,287.64 and 1,198,817.43 is: 1,654,402.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192,191.23 : 3,025,287.64 = 1,198,817.43 : x
  2. Step 2: Convert to fraction form
    2,192,191.23/3,025,287.64 = 1,198,817.43/x
  3. Step 3: Cross multiply
    2,192,191.23x = 3,025,287.64 × 1,198,817.43
  4. Step 4: Simplify right side
    2,192,191.23x = 3,626,767,553,595.57
  5. Step 5: Solve for x
    x = 3,626,767,553,595.57/2,192,191.23
  6. Step 6: Final answer
    x = 1,654,402.91

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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.