Home / 3,945,281.32-5,423,588.12-3,391,958.53

Finding the Fourth Proportional to 3,945,281.32, 5,423,588.12 and 3,391,958.53

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Solution

The fourth proportional to 3,945,281.32, 5,423,588.12 and 3,391,958.53 is: 4,662,933.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945,281.32 : 5,423,588.12 = 3,391,958.53 : x
  2. Step 2: Convert to fraction form
    3,945,281.32/5,423,588.12 = 3,391,958.53/x
  3. Step 3: Cross multiply
    3,945,281.32x = 5,423,588.12 × 3,391,958.53
  4. Step 4: Simplify right side
    3,945,281.32x = 18,396,585,986,840.66
  5. Step 5: Solve for x
    x = 18,396,585,986,840.66/3,945,281.32
  6. Step 6: Final answer
    x = 4,662,933.89

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.