Home / 3,479,777.75-4,802,083.49-1,931,273.21

Finding the Fourth Proportional to 3,479,777.75, 4,802,083.49 and 1,931,273.21

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Solution

The fourth proportional to 3,479,777.75, 4,802,083.49 and 1,931,273.21 is: 2,665,151.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479,777.75 : 4,802,083.49 = 1,931,273.21 : x
  2. Step 2: Convert to fraction form
    3,479,777.75/4,802,083.49 = 1,931,273.21/x
  3. Step 3: Cross multiply
    3,479,777.75x = 4,802,083.49 × 1,931,273.21
  4. Step 4: Simplify right side
    3,479,777.75x = 9,274,135,186,763.94
  5. Step 5: Solve for x
    x = 9,274,135,186,763.94/3,479,777.75
  6. Step 6: Final answer
    x = 2,665,151.59

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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.