Home / 3,882,847.20-5,824,270.80-1,187,172.42

Finding the Fourth Proportional to 3,882,847.20, 5,824,270.80 and 1,187,172.42

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Solution

The fourth proportional to 3,882,847.20, 5,824,270.80 and 1,187,172.42 is: 1,780,758.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882,847.20 : 5,824,270.80 = 1,187,172.42 : x
  2. Step 2: Convert to fraction form
    3,882,847.20/5,824,270.80 = 1,187,172.42/x
  3. Step 3: Cross multiply
    3,882,847.20x = 5,824,270.80 × 1,187,172.42
  4. Step 4: Simplify right side
    3,882,847.20x = 6,914,413,660,371.34
  5. Step 5: Solve for x
    x = 6,914,413,660,371.34/3,882,847.20
  6. Step 6: Final answer
    x = 1,780,758.63

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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.