Home / 3,942,347.85-5,442,902.88-3,022,809.57

Finding the Fourth Proportional to 3,942,347.85, 5,442,902.88 and 3,022,809.57

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Solution

The fourth proportional to 3,942,347.85, 5,442,902.88 and 3,022,809.57 is: 4,173,365.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942,347.85 : 5,442,902.88 = 3,022,809.57 : x
  2. Step 2: Convert to fraction form
    3,942,347.85/5,442,902.88 = 3,022,809.57/x
  3. Step 3: Cross multiply
    3,942,347.85x = 5,442,902.88 × 3,022,809.57
  4. Step 4: Simplify right side
    3,942,347.85x = 16,452,858,914,244.56
  5. Step 5: Solve for x
    x = 16,452,858,914,244.56/3,942,347.85
  6. Step 6: Final answer
    x = 4,173,365.60

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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.