Home / 3,126,620.75-4,311,310.31-2,036,871.46

Finding the Fourth Proportional to 3,126,620.75, 4,311,310.31 and 2,036,871.46

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Solution

The fourth proportional to 3,126,620.75, 4,311,310.31 and 2,036,871.46 is: 2,808,650.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126,620.75 : 4,311,310.31 = 2,036,871.46 : x
  2. Step 2: Convert to fraction form
    3,126,620.75/4,311,310.31 = 2,036,871.46/x
  3. Step 3: Cross multiply
    3,126,620.75x = 4,311,310.31 × 2,036,871.46
  4. Step 4: Simplify right side
    3,126,620.75x = 8,781,584,919,956.66
  5. Step 5: Solve for x
    x = 8,781,584,919,956.66/3,126,620.75
  6. Step 6: Final answer
    x = 2,808,650.49

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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.