Home / 2,725,212.80-4,087,819.20-831,708.20

Finding the Fourth Proportional to 2,725,212.80, 4,087,819.20 and 831,708.20

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Solution

The fourth proportional to 2,725,212.80, 4,087,819.20 and 831,708.20 is: 1,247,562.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,725,212.80 : 4,087,819.20 = 831,708.20 : x
  2. Step 2: Convert to fraction form
    2,725,212.80/4,087,819.20 = 831,708.20/x
  3. Step 3: Cross multiply
    2,725,212.80x = 4,087,819.20 × 831,708.20
  4. Step 4: Simplify right side
    2,725,212.80x = 3,399,872,748,757.44
  5. Step 5: Solve for x
    x = 3,399,872,748,757.44/2,725,212.80
  6. Step 6: Final answer
    x = 1,247,562.30

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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.