Home / 2,867,367.74-3,956,936.99-1,578,180.42

Finding the Fourth Proportional to 2,867,367.74, 3,956,936.99 and 1,578,180.42

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Solution

The fourth proportional to 2,867,367.74, 3,956,936.99 and 1,578,180.42 is: 2,177,872.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867,367.74 : 3,956,936.99 = 1,578,180.42 : x
  2. Step 2: Convert to fraction form
    2,867,367.74/3,956,936.99 = 1,578,180.42/x
  3. Step 3: Cross multiply
    2,867,367.74x = 3,956,936.99 × 1,578,180.42
  4. Step 4: Simplify right side
    2,867,367.74x = 6,244,760,472,900.83
  5. Step 5: Solve for x
    x = 6,244,760,472,900.83/2,867,367.74
  6. Step 6: Final answer
    x = 2,177,872.20

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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.