Home / 2,809,445.94-4,214,168.64-1,190,469.78

Finding the Fourth Proportional to 2,809,445.94, 4,214,168.64 and 1,190,469.78

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Solution

The fourth proportional to 2,809,445.94, 4,214,168.64 and 1,190,469.78 is: 1,785,704.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809,445.94 : 4,214,168.64 = 1,190,469.78 : x
  2. Step 2: Convert to fraction form
    2,809,445.94/4,214,168.64 = 1,190,469.78/x
  3. Step 3: Cross multiply
    2,809,445.94x = 4,214,168.64 × 1,190,469.78
  4. Step 4: Simplify right side
    2,809,445.94x = 5,016,840,413,743.70
  5. Step 5: Solve for x
    x = 5,016,840,413,743.70/2,809,445.94
  6. Step 6: Final answer
    x = 1,785,704.56

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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.