Home / 3,882,836.71-5,824,255.06-1,187,161.92

Finding the Fourth Proportional to 3,882,836.71, 5,824,255.06 and 1,187,161.92

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Solution

The fourth proportional to 3,882,836.71, 5,824,255.06 and 1,187,161.92 is: 1,780,742.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882,836.71 : 5,824,255.06 = 1,187,161.92 : x
  2. Step 2: Convert to fraction form
    3,882,836.71/5,824,255.06 = 1,187,161.92/x
  3. Step 3: Cross multiply
    3,882,836.71x = 5,824,255.06 × 1,187,161.92
  4. Step 4: Simplify right side
    3,882,836.71x = 6,914,333,816,631.41
  5. Step 5: Solve for x
    x = 6,914,333,816,631.41/3,882,836.71
  6. Step 6: Final answer
    x = 1,780,742.88

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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.