Home / 3,220,860-4,444,842.96-1,770,616.56

Finding the Fourth Proportional to 3,220,860, 4,444,842.96 and 1,770,616.56

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Solution

The fourth proportional to 3,220,860, 4,444,842.96 and 1,770,616.56 is: 2,443,481.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220,860 : 4,444,842.96 = 1,770,616.56 : x
  2. Step 2: Convert to fraction form
    3,220,860/4,444,842.96 = 1,770,616.56/x
  3. Step 3: Cross multiply
    3,220,860x = 4,444,842.96 × 1,770,616.56
  4. Step 4: Simplify right side
    3,220,860x = 7,870,112,551,575.42
  5. Step 5: Solve for x
    x = 7,870,112,551,575.42/3,220,860
  6. Step 6: Final answer
    x = 2,443,481.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.