Home / 1,538,935.92-2,123,727.12-859,872.96

Finding the Fourth Proportional to 1,538,935.92, 2,123,727.12 and 859,872.96

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Solution

The fourth proportional to 1,538,935.92, 2,123,727.12 and 859,872.96 is: 1,186,622.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,935.92 : 2,123,727.12 = 859,872.96 : x
  2. Step 2: Convert to fraction form
    1,538,935.92/2,123,727.12 = 859,872.96/x
  3. Step 3: Cross multiply
    1,538,935.92x = 2,123,727.12 × 859,872.96
  4. Step 4: Simplify right side
    1,538,935.92x = 1,826,135,524,906.68
  5. Step 5: Solve for x
    x = 1,826,135,524,906.68/1,538,935.92
  6. Step 6: Final answer
    x = 1,186,622.20

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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.