Home / 2,259,928.80-3,387,128.40-996,415.20

Finding the Fourth Proportional to 2,259,928.80, 3,387,128.40 and 996,415.20

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Solution

The fourth proportional to 2,259,928.80, 3,387,128.40 and 996,415.20 is: 1,493,403.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259,928.80 : 3,387,128.40 = 996,415.20 : x
  2. Step 2: Convert to fraction form
    2,259,928.80/3,387,128.40 = 996,415.20/x
  3. Step 3: Cross multiply
    2,259,928.80x = 3,387,128.40 × 996,415.20
  4. Step 4: Simplify right side
    2,259,928.80x = 3,374,986,222,111.68
  5. Step 5: Solve for x
    x = 3,374,986,222,111.68/2,259,928.80
  6. Step 6: Final answer
    x = 1,493,403.78

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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.