Home / 5,135,113.67-7,086,456.87-2,843,274.37

Finding the Fourth Proportional to 5,135,113.67, 7,086,456.87 and 2,843,274.37

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Solution

The fourth proportional to 5,135,113.67, 7,086,456.87 and 2,843,274.37 is: 3,923,718.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135,113.67 : 7,086,456.87 = 2,843,274.37 : x
  2. Step 2: Convert to fraction form
    5,135,113.67/7,086,456.87 = 2,843,274.37/x
  3. Step 3: Cross multiply
    5,135,113.67x = 7,086,456.87 × 2,843,274.37
  4. Step 4: Simplify right side
    5,135,113.67x = 20,148,741,192,581.42
  5. Step 5: Solve for x
    x = 20,148,741,192,581.42/5,135,113.67
  6. Step 6: Final answer
    x = 3,923,718.63

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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.