Home / 2,206,036.20-3,309,056.90-689,727.14

Finding the Fourth Proportional to 2,206,036.20, 3,309,056.90 and 689,727.14

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Solution

The fourth proportional to 2,206,036.20, 3,309,056.90 and 689,727.14 is: 1,034,591.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206,036.20 : 3,309,056.90 = 689,727.14 : x
  2. Step 2: Convert to fraction form
    2,206,036.20/3,309,056.90 = 689,727.14/x
  3. Step 3: Cross multiply
    2,206,036.20x = 3,309,056.90 × 689,727.14
  4. Step 4: Simplify right side
    2,206,036.20x = 2,282,346,351,734.27
  5. Step 5: Solve for x
    x = 2,282,346,351,734.27/2,206,036.20
  6. Step 6: Final answer
    x = 1,034,591.52

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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.