Home / 4,138,074.33-6,203,085.78-1,978,538.19

Finding the Fourth Proportional to 4,138,074.33, 6,203,085.78 and 1,978,538.19

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Solution

The fourth proportional to 4,138,074.33, 6,203,085.78 and 1,978,538.19 is: 2,965,882.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138,074.33 : 6,203,085.78 = 1,978,538.19 : x
  2. Step 2: Convert to fraction form
    4,138,074.33/6,203,085.78 = 1,978,538.19/x
  3. Step 3: Cross multiply
    4,138,074.33x = 6,203,085.78 × 1,978,538.19
  4. Step 4: Simplify right side
    4,138,074.33x = 12,273,042,111,575.94
  5. Step 5: Solve for x
    x = 12,273,042,111,575.94/4,138,074.33
  6. Step 6: Final answer
    x = 2,965,882.47

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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.