Home / 5,126,163.98-7,687,822.59-1,531,078.61

Finding the Fourth Proportional to 5,126,163.98, 7,687,822.59 and 1,531,078.61

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Solution

The fourth proportional to 5,126,163.98, 7,687,822.59 and 1,531,078.61 is: 2,296,192.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126,163.98 : 7,687,822.59 = 1,531,078.61 : x
  2. Step 2: Convert to fraction form
    5,126,163.98/7,687,822.59 = 1,531,078.61/x
  3. Step 3: Cross multiply
    5,126,163.98x = 7,687,822.59 × 1,531,078.61
  4. Step 4: Simplify right side
    5,126,163.98x = 11,770,660,686,584.69
  5. Step 5: Solve for x
    x = 11,770,660,686,584.69/5,126,163.98
  6. Step 6: Final answer
    x = 2,296,192.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.