Home / 2,250,122.86-3,105,177.73-1,217,630.54

Finding the Fourth Proportional to 2,250,122.86, 3,105,177.73 and 1,217,630.54

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Solution

The fourth proportional to 2,250,122.86, 3,105,177.73 and 1,217,630.54 is: 1,680,334.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,250,122.86 : 3,105,177.73 = 1,217,630.54 : x
  2. Step 2: Convert to fraction form
    2,250,122.86/3,105,177.73 = 1,217,630.54/x
  3. Step 3: Cross multiply
    2,250,122.86x = 3,105,177.73 × 1,217,630.54
  4. Step 4: Simplify right side
    2,250,122.86x = 3,780,959,229,250.33
  5. Step 5: Solve for x
    x = 3,780,959,229,250.33/2,250,122.86
  6. Step 6: Final answer
    x = 1,680,334.57

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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.