Home / 1,998,102.08-2,755,540.44-1,309,523.24

Finding the Fourth Proportional to 1,998,102.08, 2,755,540.44 and 1,309,523.24

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Solution

The fourth proportional to 1,998,102.08, 2,755,540.44 and 1,309,523.24 is: 1,805,935.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,102.08 : 2,755,540.44 = 1,309,523.24 : x
  2. Step 2: Convert to fraction form
    1,998,102.08/2,755,540.44 = 1,309,523.24/x
  3. Step 3: Cross multiply
    1,998,102.08x = 2,755,540.44 × 1,309,523.24
  4. Step 4: Simplify right side
    1,998,102.08x = 3,608,444,244,939.83
  5. Step 5: Solve for x
    x = 3,608,444,244,939.83/1,998,102.08
  6. Step 6: Final answer
    x = 1,805,935.88

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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.