Home / 1,469,121.40-2,201,057.70-1,201,432.60

Finding the Fourth Proportional to 1,469,121.40, 2,201,057.70 and 1,201,432.60

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Solution

The fourth proportional to 1,469,121.40, 2,201,057.70 and 1,201,432.60 is: 1,800,002.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469,121.40 : 2,201,057.70 = 1,201,432.60 : x
  2. Step 2: Convert to fraction form
    1,469,121.40/2,201,057.70 = 1,201,432.60/x
  3. Step 3: Cross multiply
    1,469,121.40x = 2,201,057.70 × 1,201,432.60
  4. Step 4: Simplify right side
    1,469,121.40x = 2,644,422,475,261.02
  5. Step 5: Solve for x
    x = 2,644,422,475,261.02/1,469,121.40
  6. Step 6: Final answer
    x = 1,800,002.69

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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.