Home / 5,177,650.30-7,145,165.30-2,885,761.78

Finding the Fourth Proportional to 5,177,650.30, 7,145,165.30 and 2,885,761.78

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Solution

The fourth proportional to 5,177,650.30, 7,145,165.30 and 2,885,761.78 is: 3,982,355.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177,650.30 : 7,145,165.30 = 2,885,761.78 : x
  2. Step 2: Convert to fraction form
    5,177,650.30/7,145,165.30 = 2,885,761.78/x
  3. Step 3: Cross multiply
    5,177,650.30x = 7,145,165.30 × 2,885,761.78
  4. Step 4: Simplify right side
    5,177,650.30x = 20,619,244,902,230.51
  5. Step 5: Solve for x
    x = 20,619,244,902,230.51/5,177,650.30
  6. Step 6: Final answer
    x = 3,982,355.65

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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.