Home / 3,979,811.57-5,969,717.36-987,995.57

Finding the Fourth Proportional to 3,979,811.57, 5,969,717.36 and 987,995.57

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Solution

The fourth proportional to 3,979,811.57, 5,969,717.36 and 987,995.57 is: 1,481,993.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979,811.57 : 5,969,717.36 = 987,995.57 : x
  2. Step 2: Convert to fraction form
    3,979,811.57/5,969,717.36 = 987,995.57/x
  3. Step 3: Cross multiply
    3,979,811.57x = 5,969,717.36 × 987,995.57
  4. Step 4: Simplify right side
    3,979,811.57x = 5,898,054,300,892.12
  5. Step 5: Solve for x
    x = 5,898,054,300,892.12/3,979,811.57
  6. Step 6: Final answer
    x = 1,481,993.36

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Similar ratio
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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.