Home / 3,974,293.20-5,961,877.20-1,278,159.60

Finding the Fourth Proportional to 3,974,293.20, 5,961,877.20 and 1,278,159.60

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Solution

The fourth proportional to 3,974,293.20, 5,961,877.20 and 1,278,159.60 is: 1,917,380.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974,293.20 : 5,961,877.20 = 1,278,159.60 : x
  2. Step 2: Convert to fraction form
    3,974,293.20/5,961,877.20 = 1,278,159.60/x
  3. Step 3: Cross multiply
    3,974,293.20x = 5,961,877.20 × 1,278,159.60
  4. Step 4: Simplify right side
    3,974,293.20x = 7,620,230,577,201.12
  5. Step 5: Solve for x
    x = 7,620,230,577,201.12/3,974,293.20
  6. Step 6: Final answer
    x = 1,917,380.07

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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.