Home / 2,750,761.31-4,125,947.09-728,960.40

Finding the Fourth Proportional to 2,750,761.31, 4,125,947.09 and 728,960.40

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Solution

The fourth proportional to 2,750,761.31, 4,125,947.09 and 728,960.40 is: 1,093,388.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750,761.31 : 4,125,947.09 = 728,960.40 : x
  2. Step 2: Convert to fraction form
    2,750,761.31/4,125,947.09 = 728,960.40/x
  3. Step 3: Cross multiply
    2,750,761.31x = 4,125,947.09 × 728,960.40
  4. Step 4: Simplify right side
    2,750,761.31x = 3,007,652,037,460.43
  5. Step 5: Solve for x
    x = 3,007,652,037,460.43/2,750,761.31
  6. Step 6: Final answer
    x = 1,093,388.96

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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.