Home / 5,776,755.30-7,972,171.34-3,198,435.98

Finding the Fourth Proportional to 5,776,755.30, 7,972,171.34 and 3,198,435.98

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Solution

The fourth proportional to 5,776,755.30, 7,972,171.34 and 3,198,435.98 is: 4,413,979.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,776,755.30 : 7,972,171.34 = 3,198,435.98 : x
  2. Step 2: Convert to fraction form
    5,776,755.30/7,972,171.34 = 3,198,435.98/x
  3. Step 3: Cross multiply
    5,776,755.30x = 7,972,171.34 × 3,198,435.98
  4. Step 4: Simplify right side
    5,776,755.30x = 25,498,479,596,727.78
  5. Step 5: Solve for x
    x = 25,498,479,596,727.78/5,776,755.30
  6. Step 6: Final answer
    x = 4,413,979.52

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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.