Home / 3,206,642.80-4,809,964.76-810,494.32

Finding the Fourth Proportional to 3,206,642.80, 4,809,964.76 and 810,494.32

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Solution

The fourth proportional to 3,206,642.80, 4,809,964.76 and 810,494.32 is: 1,215,741.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206,642.80 : 4,809,964.76 = 810,494.32 : x
  2. Step 2: Convert to fraction form
    3,206,642.80/4,809,964.76 = 810,494.32/x
  3. Step 3: Cross multiply
    3,206,642.80x = 4,809,964.76 × 810,494.32
  4. Step 4: Simplify right side
    3,206,642.80x = 3,898,449,117,380.16
  5. Step 5: Solve for x
    x = 3,898,449,117,380.16/3,206,642.80
  6. Step 6: Final answer
    x = 1,215,741.62

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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.