Home / 2,131,400.16-3,198,361.20-784,508.64

Finding the Fourth Proportional to 2,131,400.16, 3,198,361.20 and 784,508.64

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Solution

The fourth proportional to 2,131,400.16, 3,198,361.20 and 784,508.64 is: 1,177,227.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,400.16 : 3,198,361.20 = 784,508.64 : x
  2. Step 2: Convert to fraction form
    2,131,400.16/3,198,361.20 = 784,508.64/x
  3. Step 3: Cross multiply
    2,131,400.16x = 3,198,361.20 × 784,508.64
  4. Step 4: Simplify right side
    2,131,400.16x = 2,509,141,995,240.77
  5. Step 5: Solve for x
    x = 2,509,141,995,240.77/2,131,400.16
  6. Step 6: Final answer
    x = 1,177,227.08

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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.