Home / 1,963,414.60-2,945,121.90-1,109,609.80

Finding the Fourth Proportional to 1,963,414.60, 2,945,121.90 and 1,109,609.80

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Solution

The fourth proportional to 1,963,414.60, 2,945,121.90 and 1,109,609.80 is: 1,664,414.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,963,414.60 : 2,945,121.90 = 1,109,609.80 : x
  2. Step 2: Convert to fraction form
    1,963,414.60/2,945,121.90 = 1,109,609.80/x
  3. Step 3: Cross multiply
    1,963,414.60x = 2,945,121.90 × 1,109,609.80
  4. Step 4: Simplify right side
    1,963,414.60x = 3,267,936,122,434.62
  5. Step 5: Solve for x
    x = 3,267,936,122,434.62/1,963,414.60
  6. Step 6: Final answer
    x = 1,664,414.70

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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.