Home / 2,016,770.40-3,021,469.20-1,640,757.60

Finding the Fourth Proportional to 2,016,770.40, 3,021,469.20 and 1,640,757.60

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Solution

The fourth proportional to 2,016,770.40, 3,021,469.20 and 1,640,757.60 is: 2,458,137.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,016,770.40 : 3,021,469.20 = 1,640,757.60 : x
  2. Step 2: Convert to fraction form
    2,016,770.40/3,021,469.20 = 1,640,757.60/x
  3. Step 3: Cross multiply
    2,016,770.40x = 3,021,469.20 × 1,640,757.60
  4. Step 4: Simplify right side
    2,016,770.40x = 4,957,498,553,065.92
  5. Step 5: Solve for x
    x = 4,957,498,553,065.92/2,016,770.40
  6. Step 6: Final answer
    x = 2,458,137.30

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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.