Home / 2,080,676.70-3,120,237.45-818,243.10

Finding the Fourth Proportional to 2,080,676.70, 3,120,237.45 and 818,243.10

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Solution

The fourth proportional to 2,080,676.70, 3,120,237.45 and 818,243.10 is: 1,227,058.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,676.70 : 3,120,237.45 = 818,243.10 : x
  2. Step 2: Convert to fraction form
    2,080,676.70/3,120,237.45 = 818,243.10/x
  3. Step 3: Cross multiply
    2,080,676.70x = 3,120,237.45 × 818,243.10
  4. Step 4: Simplify right side
    2,080,676.70x = 2,553,112,763,824.10
  5. Step 5: Solve for x
    x = 2,553,112,763,824.10/2,080,676.70
  6. Step 6: Final answer
    x = 1,227,058.85

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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.