Home / 3,846,321.20-5,761,608.60-1,954,128.80

Finding the Fourth Proportional to 3,846,321.20, 5,761,608.60 and 1,954,128.80

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Solution

The fourth proportional to 3,846,321.20, 5,761,608.60 and 1,954,128.80 is: 2,927,193.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,846,321.20 : 5,761,608.60 = 1,954,128.80 : x
  2. Step 2: Convert to fraction form
    3,846,321.20/5,761,608.60 = 1,954,128.80/x
  3. Step 3: Cross multiply
    3,846,321.20x = 5,761,608.60 × 1,954,128.80
  4. Step 4: Simplify right side
    3,846,321.20x = 11,258,925,299,587.68
  5. Step 5: Solve for x
    x = 11,258,925,299,587.68/3,846,321.20
  6. Step 6: Final answer
    x = 2,927,193.21

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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.