Home / 5,245,179.04-7,236,427-3,178,703.85

Finding the Fourth Proportional to 5,245,179.04, 7,236,427 and 3,178,703.85

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Solution

The fourth proportional to 5,245,179.04, 7,236,427 and 3,178,703.85 is: 4,385,447.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,245,179.04 : 7,236,427 = 3,178,703.85 : x
  2. Step 2: Convert to fraction form
    5,245,179.04/7,236,427 = 3,178,703.85/x
  3. Step 3: Cross multiply
    5,245,179.04x = 7,236,427 × 3,178,703.85
  4. Step 4: Simplify right side
    5,245,179.04x = 23,002,458,365,143.95
  5. Step 5: Solve for x
    x = 23,002,458,365,143.95/5,245,179.04
  6. Step 6: Final answer
    x = 4,385,447.70

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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.