Home / 2,126,829.56-3,191,662.85-1,103,103.44

Finding the Fourth Proportional to 2,126,829.56, 3,191,662.85 and 1,103,103.44

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Solution

The fourth proportional to 2,126,829.56, 3,191,662.85 and 1,103,103.44 is: 1,655,390.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,829.56 : 3,191,662.85 = 1,103,103.44 : x
  2. Step 2: Convert to fraction form
    2,126,829.56/3,191,662.85 = 1,103,103.44/x
  3. Step 3: Cross multiply
    2,126,829.56x = 3,191,662.85 × 1,103,103.44
  4. Step 4: Simplify right side
    2,126,829.56x = 3,520,734,250,673.56
  5. Step 5: Solve for x
    x = 3,520,734,250,673.56/2,126,829.56
  6. Step 6: Final answer
    x = 1,655,390.88

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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.