Home / 1,857,087.39-2,561,837.41-1,212,884.67

Finding the Fourth Proportional to 1,857,087.39, 2,561,837.41 and 1,212,884.67

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Solution

The fourth proportional to 1,857,087.39, 2,561,837.41 and 1,212,884.67 is: 1,673,164.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857,087.39 : 2,561,837.41 = 1,212,884.67 : x
  2. Step 2: Convert to fraction form
    1,857,087.39/2,561,837.41 = 1,212,884.67/x
  3. Step 3: Cross multiply
    1,857,087.39x = 2,561,837.41 × 1,212,884.67
  4. Step 4: Simplify right side
    1,857,087.39x = 3,107,213,321,621.51
  5. Step 5: Solve for x
    x = 3,107,213,321,621.51/1,857,087.39
  6. Step 6: Final answer
    x = 1,673,164.84

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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.