Home / 2,102,207.20-3,153,771.60-682,021.60

Finding the Fourth Proportional to 2,102,207.20, 3,153,771.60 and 682,021.60

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Solution

The fourth proportional to 2,102,207.20, 3,153,771.60 and 682,021.60 is: 1,023,181.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,102,207.20 : 3,153,771.60 = 682,021.60 : x
  2. Step 2: Convert to fraction form
    2,102,207.20/3,153,771.60 = 682,021.60/x
  3. Step 3: Cross multiply
    2,102,207.20x = 3,153,771.60 × 682,021.60
  4. Step 4: Simplify right side
    2,102,207.20x = 2,150,940,352,666.56
  5. Step 5: Solve for x
    x = 2,150,940,352,666.56/2,102,207.20
  6. Step 6: Final answer
    x = 1,023,181.90

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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.