Home / 2,192,190.23-3,025,286.26-1,198,816.43

Finding the Fourth Proportional to 2,192,190.23, 3,025,286.26 and 1,198,816.43

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Solution

The fourth proportional to 2,192,190.23, 3,025,286.26 and 1,198,816.43 is: 1,654,401.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192,190.23 : 3,025,286.26 = 1,198,816.43 : x
  2. Step 2: Convert to fraction form
    2,192,190.23/3,025,286.26 = 1,198,816.43/x
  3. Step 3: Cross multiply
    2,192,190.23x = 3,025,286.26 × 1,198,816.43
  4. Step 4: Simplify right side
    2,192,190.23x = 3,626,762,855,817.78
  5. Step 5: Solve for x
    x = 3,626,762,855,817.78/2,192,190.23
  6. Step 6: Final answer
    x = 1,654,401.52

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1.5x scale

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.