Home / 5,378,436.29-7,420,135.23-3,309,860.61

Finding the Fourth Proportional to 5,378,436.29, 7,420,135.23 and 3,309,860.61

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Solution

The fourth proportional to 5,378,436.29, 7,420,135.23 and 3,309,860.61 is: 4,566,311.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378,436.29 : 7,420,135.23 = 3,309,860.61 : x
  2. Step 2: Convert to fraction form
    5,378,436.29/7,420,135.23 = 3,309,860.61/x
  3. Step 3: Cross multiply
    5,378,436.29x = 7,420,135.23 × 3,309,860.61
  4. Step 4: Simplify right side
    5,378,436.29x = 24,559,613,318,650.29
  5. Step 5: Solve for x
    x = 24,559,613,318,650.29/5,378,436.29
  6. Step 6: Final answer
    x = 4,566,311.10

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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.