Home / 5,188,274.32-7,159,889.36-2,865,323.52

Finding the Fourth Proportional to 5,188,274.32, 7,159,889.36 and 2,865,323.52

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Solution

The fourth proportional to 5,188,274.32, 7,159,889.36 and 2,865,323.52 is: 3,954,185.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188,274.32 : 7,159,889.36 = 2,865,323.52 : x
  2. Step 2: Convert to fraction form
    5,188,274.32/7,159,889.36 = 2,865,323.52/x
  3. Step 3: Cross multiply
    5,188,274.32x = 7,159,889.36 × 2,865,323.52
  4. Step 4: Simplify right side
    5,188,274.32x = 20,515,399,383,805.75
  5. Step 5: Solve for x
    x = 20,515,399,383,805.75/5,188,274.32
  6. Step 6: Final answer
    x = 3,954,185.56

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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.