Home / 2,080,450.10-3,120,675.15-1,279,133.30

Finding the Fourth Proportional to 2,080,450.10, 3,120,675.15 and 1,279,133.30

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Solution

The fourth proportional to 2,080,450.10, 3,120,675.15 and 1,279,133.30 is: 1,918,699.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,450.10 : 3,120,675.15 = 1,279,133.30 : x
  2. Step 2: Convert to fraction form
    2,080,450.10/3,120,675.15 = 1,279,133.30/x
  3. Step 3: Cross multiply
    2,080,450.10x = 3,120,675.15 × 1,279,133.30
  4. Step 4: Simplify right side
    2,080,450.10x = 3,991,759,502,847.50
  5. Step 5: Solve for x
    x = 3,991,759,502,847.50/2,080,450.10
  6. Step 6: Final answer
    x = 1,918,699.95

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Similar ratio
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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.