Home / 1,857,087.26-2,561,837.23-1,212,884.54

Finding the Fourth Proportional to 1,857,087.26, 2,561,837.23 and 1,212,884.54

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Solution

The fourth proportional to 1,857,087.26, 2,561,837.23 and 1,212,884.54 is: 1,673,164.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857,087.26 : 2,561,837.23 = 1,212,884.54 : x
  2. Step 2: Convert to fraction form
    1,857,087.26/2,561,837.23 = 1,212,884.54/x
  3. Step 3: Cross multiply
    1,857,087.26x = 2,561,837.23 × 1,212,884.54
  4. Step 4: Simplify right side
    1,857,087.26x = 3,107,212,770,263.42
  5. Step 5: Solve for x
    x = 3,107,212,770,263.42/1,857,087.26
  6. Step 6: Final answer
    x = 1,673,164.66

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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.