Home / 2,867,367.20-3,956,936.32-1,578,179.92

Finding the Fourth Proportional to 2,867,367.20, 3,956,936.32 and 1,578,179.92

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Solution

The fourth proportional to 2,867,367.20, 3,956,936.32 and 1,578,179.92 is: 2,177,871.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867,367.20 : 3,956,936.32 = 1,578,179.92 : x
  2. Step 2: Convert to fraction form
    2,867,367.20/3,956,936.32 = 1,578,179.92/x
  3. Step 3: Cross multiply
    2,867,367.20x = 3,956,936.32 × 1,578,179.92
  4. Step 4: Simplify right side
    2,867,367.20x = 6,244,757,444,942.69
  5. Step 5: Solve for x
    x = 6,244,757,444,942.69/2,867,367.20
  6. Step 6: Final answer
    x = 2,177,871.55

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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.