Home / 2,280,306.65-3,420,992.21-661,109.22

Finding the Fourth Proportional to 2,280,306.65, 3,420,992.21 and 661,109.22

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Solution

The fourth proportional to 2,280,306.65, 3,420,992.21 and 661,109.22 is: 991,818.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280,306.65 : 3,420,992.21 = 661,109.22 : x
  2. Step 2: Convert to fraction form
    2,280,306.65/3,420,992.21 = 661,109.22/x
  3. Step 3: Cross multiply
    2,280,306.65x = 3,420,992.21 × 661,109.22
  4. Step 4: Simplify right side
    2,280,306.65x = 2,261,649,488,273.63
  5. Step 5: Solve for x
    x = 2,261,649,488,273.63/2,280,306.65
  6. Step 6: Final answer
    x = 991,818.14

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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.