Home / 2,178,115.80-3,267,173.70-2,080,138.20

Finding the Fourth Proportional to 2,178,115.80, 3,267,173.70 and 2,080,138.20

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Solution

The fourth proportional to 2,178,115.80, 3,267,173.70 and 2,080,138.20 is: 3,120,207.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,115.80 : 3,267,173.70 = 2,080,138.20 : x
  2. Step 2: Convert to fraction form
    2,178,115.80/3,267,173.70 = 2,080,138.20/x
  3. Step 3: Cross multiply
    2,178,115.80x = 3,267,173.70 × 2,080,138.20
  4. Step 4: Simplify right side
    2,178,115.80x = 6,796,172,819,405.34
  5. Step 5: Solve for x
    x = 6,796,172,819,405.34/2,178,115.80
  6. Step 6: Final answer
    x = 3,120,207.30

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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.