Home / 2,320,528.12-3,202,278.97-1,287,975.56

Finding the Fourth Proportional to 2,320,528.12, 3,202,278.97 and 1,287,975.56

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Solution

The fourth proportional to 2,320,528.12, 3,202,278.97 and 1,287,975.56 is: 1,777,378.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320,528.12 : 3,202,278.97 = 1,287,975.56 : x
  2. Step 2: Convert to fraction form
    2,320,528.12/3,202,278.97 = 1,287,975.56/x
  3. Step 3: Cross multiply
    2,320,528.12x = 3,202,278.97 × 1,287,975.56
  4. Step 4: Simplify right side
    2,320,528.12x = 4,124,457,049,661.97
  5. Step 5: Solve for x
    x = 4,124,457,049,661.97/2,320,528.12
  6. Step 6: Final answer
    x = 1,777,378.61

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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.