Home / 5,729,555.36-7,906,745.06-3,151,180.78

Finding the Fourth Proportional to 5,729,555.36, 7,906,745.06 and 3,151,180.78

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Solution

The fourth proportional to 5,729,555.36, 7,906,745.06 and 3,151,180.78 is: 4,348,606.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,729,555.36 : 7,906,745.06 = 3,151,180.78 : x
  2. Step 2: Convert to fraction form
    5,729,555.36/7,906,745.06 = 3,151,180.78/x
  3. Step 3: Cross multiply
    5,729,555.36x = 7,906,745.06 × 3,151,180.78
  4. Step 4: Simplify right side
    5,729,555.36x = 24,915,583,065,431.95
  5. Step 5: Solve for x
    x = 24,915,583,065,431.95/5,729,555.36
  6. Step 6: Final answer
    x = 4,348,606.74

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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.