Home / 2,560,436.32-3,840,133.14-940,648.43

Finding the Fourth Proportional to 2,560,436.32, 3,840,133.14 and 940,648.43

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Solution

The fourth proportional to 2,560,436.32, 3,840,133.14 and 940,648.43 is: 1,410,781.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,560,436.32 : 3,840,133.14 = 940,648.43 : x
  2. Step 2: Convert to fraction form
    2,560,436.32/3,840,133.14 = 940,648.43/x
  3. Step 3: Cross multiply
    2,560,436.32x = 3,840,133.14 × 940,648.43
  4. Step 4: Simplify right side
    2,560,436.32x = 3,612,215,218,732.30
  5. Step 5: Solve for x
    x = 3,612,215,218,732.30/2,560,436.32
  6. Step 6: Final answer
    x = 1,410,781.12

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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.