Home / 3,479,777.25-4,802,082.80-1,931,272.71

Finding the Fourth Proportional to 3,479,777.25, 4,802,082.80 and 1,931,272.71

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Solution

The fourth proportional to 3,479,777.25, 4,802,082.80 and 1,931,272.71 is: 2,665,150.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479,777.25 : 4,802,082.80 = 1,931,272.71 : x
  2. Step 2: Convert to fraction form
    3,479,777.25/4,802,082.80 = 1,931,272.71/x
  3. Step 3: Cross multiply
    3,479,777.25x = 4,802,082.80 × 1,931,272.71
  4. Step 4: Simplify right side
    3,479,777.25x = 9,274,131,453,144.02
  5. Step 5: Solve for x
    x = 9,274,131,453,144.02/3,479,777.25
  6. Step 6: Final answer
    x = 2,665,150.90

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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.