Home / 2,192,865.78-3,024,939.84-1,274,993.45

Finding the Fourth Proportional to 2,192,865.78, 3,024,939.84 and 1,274,993.45

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Solution

The fourth proportional to 2,192,865.78, 3,024,939.84 and 1,274,993.45 is: 1,758,784.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192,865.78 : 3,024,939.84 = 1,274,993.45 : x
  2. Step 2: Convert to fraction form
    2,192,865.78/3,024,939.84 = 1,274,993.45/x
  3. Step 3: Cross multiply
    2,192,865.78x = 3,024,939.84 × 1,274,993.45
  4. Step 4: Simplify right side
    2,192,865.78x = 3,856,778,493,347.05
  5. Step 5: Solve for x
    x = 3,856,778,493,347.05/2,192,865.78
  6. Step 6: Final answer
    x = 1,758,784.56

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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.