Home / 5,278,769.70-7,914,946.95-2,080,209.30

Finding the Fourth Proportional to 5,278,769.70, 7,914,946.95 and 2,080,209.30

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Solution

The fourth proportional to 5,278,769.70, 7,914,946.95 and 2,080,209.30 is: 3,119,049.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,278,769.70 : 7,914,946.95 = 2,080,209.30 : x
  2. Step 2: Convert to fraction form
    5,278,769.70/7,914,946.95 = 2,080,209.30/x
  3. Step 3: Cross multiply
    5,278,769.70x = 7,914,946.95 × 2,080,209.30
  4. Step 4: Simplify right side
    5,278,769.70x = 16,464,746,254,396.64
  5. Step 5: Solve for x
    x = 16,464,746,254,396.64/5,278,769.70
  6. Step 6: Final answer
    x = 3,119,049.93

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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.