Home / 5,145,231.60-7,100,371.20-2,822,076.54

Finding the Fourth Proportional to 5,145,231.60, 7,100,371.20 and 2,822,076.54

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Solution

The fourth proportional to 5,145,231.60, 7,100,371.20 and 2,822,076.54 is: 3,894,439.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,145,231.60 : 7,100,371.20 = 2,822,076.54 : x
  2. Step 2: Convert to fraction form
    5,145,231.60/7,100,371.20 = 2,822,076.54/x
  3. Step 3: Cross multiply
    5,145,231.60x = 7,100,371.20 × 2,822,076.54
  4. Step 4: Simplify right side
    5,145,231.60x = 20,037,790,988,811.65
  5. Step 5: Solve for x
    x = 20,037,790,988,811.65/5,145,231.60
  6. Step 6: Final answer
    x = 3,894,439.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.