Home / 1,438,650.72-2,157,972.44-1,350,959.31

Finding the Fourth Proportional to 1,438,650.72, 2,157,972.44 and 1,350,959.31

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Solution

The fourth proportional to 1,438,650.72, 2,157,972.44 and 1,350,959.31 is: 2,026,435.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,650.72 : 2,157,972.44 = 1,350,959.31 : x
  2. Step 2: Convert to fraction form
    1,438,650.72/2,157,972.44 = 1,350,959.31/x
  3. Step 3: Cross multiply
    1,438,650.72x = 2,157,972.44 × 1,350,959.31
  4. Step 4: Simplify right side
    1,438,650.72x = 2,915,332,951,786.62
  5. Step 5: Solve for x
    x = 2,915,332,951,786.62/1,438,650.72
  6. Step 6: Final answer
    x = 2,026,435.54

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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.