Home / 2,661,736.40-3,985,606.20-1,947,899.60

Finding the Fourth Proportional to 2,661,736.40, 3,985,606.20 and 1,947,899.60

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Solution

The fourth proportional to 2,661,736.40, 3,985,606.20 and 1,947,899.60 is: 2,916,727.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661,736.40 : 3,985,606.20 = 1,947,899.60 : x
  2. Step 2: Convert to fraction form
    2,661,736.40/3,985,606.20 = 1,947,899.60/x
  3. Step 3: Cross multiply
    2,661,736.40x = 3,985,606.20 × 1,947,899.60
  4. Step 4: Simplify right side
    2,661,736.40x = 7,763,560,722,737.52
  5. Step 5: Solve for x
    x = 7,763,560,722,737.52/2,661,736.40
  6. Step 6: Final answer
    x = 2,916,727.86

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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.