Home / 2,979,945.60-4,469,918.40-985,401.60

Finding the Fourth Proportional to 2,979,945.60, 4,469,918.40 and 985,401.60

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Solution

The fourth proportional to 2,979,945.60, 4,469,918.40 and 985,401.60 is: 1,478,102.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979,945.60 : 4,469,918.40 = 985,401.60 : x
  2. Step 2: Convert to fraction form
    2,979,945.60/4,469,918.40 = 985,401.60/x
  3. Step 3: Cross multiply
    2,979,945.60x = 4,469,918.40 × 985,401.60
  4. Step 4: Simplify right side
    2,979,945.60x = 4,404,664,743,229.44
  5. Step 5: Solve for x
    x = 4,404,664,743,229.44/2,979,945.60
  6. Step 6: Final answer
    x = 1,478,102.40

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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.