Home / 2,080,278.30-3,120,709.05-817,812.30

Finding the Fourth Proportional to 2,080,278.30, 3,120,709.05 and 817,812.30

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Solution

The fourth proportional to 2,080,278.30, 3,120,709.05 and 817,812.30 is: 1,226,833.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,278.30 : 3,120,709.05 = 817,812.30 : x
  2. Step 2: Convert to fraction form
    2,080,278.30/3,120,709.05 = 817,812.30/x
  3. Step 3: Cross multiply
    2,080,278.30x = 3,120,709.05 × 817,812.30
  4. Step 4: Simplify right side
    2,080,278.30x = 2,552,154,245,811.32
  5. Step 5: Solve for x
    x = 2,552,154,245,811.32/2,080,278.30
  6. Step 6: Final answer
    x = 1,226,833.09

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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.