Home / 2,851,912.95-4,277,876.71-721,997.29

Finding the Fourth Proportional to 2,851,912.95, 4,277,876.71 and 721,997.29

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Solution

The fourth proportional to 2,851,912.95, 4,277,876.71 and 721,997.29 is: 1,082,997.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851,912.95 : 4,277,876.71 = 721,997.29 : x
  2. Step 2: Convert to fraction form
    2,851,912.95/4,277,876.71 = 721,997.29/x
  3. Step 3: Cross multiply
    2,851,912.95x = 4,277,876.71 × 721,997.29
  4. Step 4: Simplify right side
    2,851,912.95x = 3,088,615,397,823.96
  5. Step 5: Solve for x
    x = 3,088,615,397,823.96/2,851,912.95
  6. Step 6: Final answer
    x = 1,082,997.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.