Home / 1,986,239.44-2,741,939.40-1,271,262.16

Finding the Fourth Proportional to 1,986,239.44, 2,741,939.40 and 1,271,262.16

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Solution

The fourth proportional to 1,986,239.44, 2,741,939.40 and 1,271,262.16 is: 1,754,936.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,239.44 : 2,741,939.40 = 1,271,262.16 : x
  2. Step 2: Convert to fraction form
    1,986,239.44/2,741,939.40 = 1,271,262.16/x
  3. Step 3: Cross multiply
    1,986,239.44x = 2,741,939.40 × 1,271,262.16
  4. Step 4: Simplify right side
    1,986,239.44x = 3,485,723,804,233.10
  5. Step 5: Solve for x
    x = 3,485,723,804,233.10/1,986,239.44
  6. Step 6: Final answer
    x = 1,754,936.36

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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.