Home / 3,114,761.55-4,672,142.33-1,912,786.35

Finding the Fourth Proportional to 3,114,761.55, 4,672,142.33 and 1,912,786.35

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Solution

The fourth proportional to 3,114,761.55, 4,672,142.33 and 1,912,786.35 is: 2,869,179.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114,761.55 : 4,672,142.33 = 1,912,786.35 : x
  2. Step 2: Convert to fraction form
    3,114,761.55/4,672,142.33 = 1,912,786.35/x
  3. Step 3: Cross multiply
    3,114,761.55x = 4,672,142.33 × 1,912,786.35
  4. Step 4: Simplify right side
    3,114,761.55x = 8,936,810,064,517.26
  5. Step 5: Solve for x
    x = 8,936,810,064,517.26/3,114,761.55
  6. Step 6: Final answer
    x = 2,869,179.53

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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.