Home / 3,126,014.20-4,689,203.82-1,206,936.28

Finding the Fourth Proportional to 3,126,014.20, 4,689,203.82 and 1,206,936.28

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Solution

The fourth proportional to 3,126,014.20, 4,689,203.82 and 1,206,936.28 is: 1,810,474.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126,014.20 : 4,689,203.82 = 1,206,936.28 : x
  2. Step 2: Convert to fraction form
    3,126,014.20/4,689,203.82 = 1,206,936.28/x
  3. Step 3: Cross multiply
    3,126,014.20x = 4,689,203.82 × 1,206,936.28
  4. Step 4: Simplify right side
    3,126,014.20x = 5,659,570,214,672.59
  5. Step 5: Solve for x
    x = 5,659,570,214,672.59/3,126,014.20
  6. Step 6: Final answer
    x = 1,810,474.89

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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.