Home / 2,080,213.80-3,120,612.30-817,747.80

Finding the Fourth Proportional to 2,080,213.80, 3,120,612.30 and 817,747.80

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Solution

The fourth proportional to 2,080,213.80, 3,120,612.30 and 817,747.80 is: 1,226,736.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,213.80 : 3,120,612.30 = 817,747.80 : x
  2. Step 2: Convert to fraction form
    2,080,213.80/3,120,612.30 = 817,747.80/x
  3. Step 3: Cross multiply
    2,080,213.80x = 3,120,612.30 × 817,747.80
  4. Step 4: Simplify right side
    2,080,213.80x = 2,551,873,842,977.94
  5. Step 5: Solve for x
    x = 2,551,873,842,977.94/2,080,213.80
  6. Step 6: Final answer
    x = 1,226,736.33

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1.5x scale

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.