Home / 3,504,221.20-5,258,081.40-1,989,067.60

Finding the Fourth Proportional to 3,504,221.20, 5,258,081.40 and 1,989,067.60

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Solution

The fourth proportional to 3,504,221.20, 5,258,081.40 and 1,989,067.60 is: 2,984,594.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,504,221.20 : 5,258,081.40 = 1,989,067.60 : x
  2. Step 2: Convert to fraction form
    3,504,221.20/5,258,081.40 = 1,989,067.60/x
  3. Step 3: Cross multiply
    3,504,221.20x = 5,258,081.40 × 1,989,067.60
  4. Step 4: Simplify right side
    3,504,221.20x = 10,458,679,350,902.64
  5. Step 5: Solve for x
    x = 10,458,679,350,902.64/3,504,221.20
  6. Step 6: Final answer
    x = 2,984,594.51

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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.