Home / 5,729,120-7,906,384.32-3,150,995.84

Finding the Fourth Proportional to 5,729,120, 7,906,384.32 and 3,150,995.84

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Solution

The fourth proportional to 5,729,120, 7,906,384.32 and 3,150,995.84 is: 4,348,483.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,729,120 : 7,906,384.32 = 3,150,995.84 : x
  2. Step 2: Convert to fraction form
    5,729,120/7,906,384.32 = 3,150,995.84/x
  3. Step 3: Cross multiply
    5,729,120x = 7,906,384.32 × 3,150,995.84
  4. Step 4: Simplify right side
    5,729,120x = 24,912,984,101,761.23
  5. Step 5: Solve for x
    x = 24,912,984,101,761.23/5,729,120
  6. Step 6: Final answer
    x = 4,348,483.55

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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.