Home / 3,479,775-4,802,079.68-1,931,270.48

Finding the Fourth Proportional to 3,479,775, 4,802,079.68 and 1,931,270.48

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Solution

The fourth proportional to 3,479,775, 4,802,079.68 and 1,931,270.48 is: 2,665,147.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479,775 : 4,802,079.68 = 1,931,270.48 : x
  2. Step 2: Convert to fraction form
    3,479,775/4,802,079.68 = 1,931,270.48/x
  3. Step 3: Cross multiply
    3,479,775x = 4,802,079.68 × 1,931,270.48
  4. Step 4: Simplify right side
    3,479,775x = 9,274,114,728,591.85
  5. Step 5: Solve for x
    x = 9,274,114,728,591.85/3,479,775
  6. Step 6: Final answer
    x = 2,665,147.81

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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.