Home / 2,211,430.12-3,313,689.18-1,538,825.56

Finding the Fourth Proportional to 2,211,430.12, 3,313,689.18 and 1,538,825.56

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Solution

The fourth proportional to 2,211,430.12, 3,313,689.18 and 1,538,825.56 is: 2,305,833.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211,430.12 : 3,313,689.18 = 1,538,825.56 : x
  2. Step 2: Convert to fraction form
    2,211,430.12/3,313,689.18 = 1,538,825.56/x
  3. Step 3: Cross multiply
    2,211,430.12x = 3,313,689.18 × 1,538,825.56
  4. Step 4: Simplify right side
    2,211,430.12x = 5,099,189,608,079.44
  5. Step 5: Solve for x
    x = 5,099,189,608,079.44/2,211,430.12
  6. Step 6: Final answer
    x = 2,305,833.48

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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.