Home / 2,652,604.20-3,978,906.30-879,676.20

Finding the Fourth Proportional to 2,652,604.20, 3,978,906.30 and 879,676.20

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Solution

The fourth proportional to 2,652,604.20, 3,978,906.30 and 879,676.20 is: 1,319,514.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,652,604.20 : 3,978,906.30 = 879,676.20 : x
  2. Step 2: Convert to fraction form
    2,652,604.20/3,978,906.30 = 879,676.20/x
  3. Step 3: Cross multiply
    2,652,604.20x = 3,978,906.30 × 879,676.20
  4. Step 4: Simplify right side
    2,652,604.20x = 3,500,149,174,140.06
  5. Step 5: Solve for x
    x = 3,500,149,174,140.06/2,652,604.20
  6. Step 6: Final answer
    x = 1,319,514.30

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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.