Home / 2,020,811.20-3,031,208.29-822,449.41

Finding the Fourth Proportional to 2,020,811.20, 3,031,208.29 and 822,449.41

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Solution

The fourth proportional to 2,020,811.20, 3,031,208.29 and 822,449.41 is: 1,233,670.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020,811.20 : 3,031,208.29 = 822,449.41 : x
  2. Step 2: Convert to fraction form
    2,020,811.20/3,031,208.29 = 822,449.41/x
  3. Step 3: Cross multiply
    2,020,811.20x = 3,031,208.29 × 822,449.41
  4. Step 4: Simplify right side
    2,020,811.20x = 2,493,015,469,697.61
  5. Step 5: Solve for x
    x = 2,493,015,469,697.61/2,020,811.20
  6. Step 6: Final answer
    x = 1,233,670.65

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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.