Home / 3,934,944.43-5,430,079.94-2,192,523.78

Finding the Fourth Proportional to 3,934,944.43, 5,430,079.94 and 2,192,523.78

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Solution

The fourth proportional to 3,934,944.43, 5,430,079.94 and 2,192,523.78 is: 3,025,602.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934,944.43 : 5,430,079.94 = 2,192,523.78 : x
  2. Step 2: Convert to fraction form
    3,934,944.43/5,430,079.94 = 2,192,523.78/x
  3. Step 3: Cross multiply
    3,934,944.43x = 5,430,079.94 × 2,192,523.78
  4. Step 4: Simplify right side
    3,934,944.43x = 11,905,579,395,750.97
  5. Step 5: Solve for x
    x = 11,905,579,395,750.97/3,934,944.43
  6. Step 6: Final answer
    x = 3,025,602.93

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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.