Home / 1,970,268.30-2,949,644.57-1,781,163.88

Finding the Fourth Proportional to 1,970,268.30, 2,949,644.57 and 1,781,163.88

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Solution

The fourth proportional to 1,970,268.30, 2,949,644.57 and 1,781,163.88 is: 2,666,540.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970,268.30 : 2,949,644.57 = 1,781,163.88 : x
  2. Step 2: Convert to fraction form
    1,970,268.30/2,949,644.57 = 1,781,163.88/x
  3. Step 3: Cross multiply
    1,970,268.30x = 2,949,644.57 × 1,781,163.88
  4. Step 4: Simplify right side
    1,970,268.30x = 5,253,800,350,642.20
  5. Step 5: Solve for x
    x = 5,253,800,350,642.20/1,970,268.30
  6. Step 6: Final answer
    x = 2,666,540.57

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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.