Home / 3,986,713.80-5,501,665.80-2,175,877.80

Finding the Fourth Proportional to 3,986,713.80, 5,501,665.80 and 2,175,877.80

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Solution

The fourth proportional to 3,986,713.80, 5,501,665.80 and 2,175,877.80 is: 3,002,711.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,713.80 : 5,501,665.80 = 2,175,877.80 : x
  2. Step 2: Convert to fraction form
    3,986,713.80/5,501,665.80 = 2,175,877.80/x
  3. Step 3: Cross multiply
    3,986,713.80x = 5,501,665.80 × 2,175,877.80
  4. Step 4: Simplify right side
    3,986,713.80x = 11,970,952,477,239.24
  5. Step 5: Solve for x
    x = 11,970,952,477,239.24/3,986,713.80
  6. Step 6: Final answer
    x = 3,002,711.78

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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.