Home / 3,907,932.68-5,392,884.12-2,189,047.88

Finding the Fourth Proportional to 3,907,932.68, 5,392,884.12 and 2,189,047.88

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Solution

The fourth proportional to 3,907,932.68, 5,392,884.12 and 2,189,047.88 is: 3,020,850.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907,932.68 : 5,392,884.12 = 2,189,047.88 : x
  2. Step 2: Convert to fraction form
    3,907,932.68/5,392,884.12 = 2,189,047.88/x
  3. Step 3: Cross multiply
    3,907,932.68x = 5,392,884.12 × 2,189,047.88
  4. Step 4: Simplify right side
    3,907,932.68x = 11,805,281,555,244.95
  5. Step 5: Solve for x
    x = 11,805,281,555,244.95/3,907,932.68
  6. Step 6: Final answer
    x = 3,020,850.80

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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.