Home / 1,998,351.38-2,757,656.66-1,139,188.44

Finding the Fourth Proportional to 1,998,351.38, 2,757,656.66 and 1,139,188.44

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Solution

The fourth proportional to 1,998,351.38, 2,757,656.66 and 1,139,188.44 is: 1,572,041.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,351.38 : 2,757,656.66 = 1,139,188.44 : x
  2. Step 2: Convert to fraction form
    1,998,351.38/2,757,656.66 = 1,139,188.44/x
  3. Step 3: Cross multiply
    1,998,351.38x = 2,757,656.66 × 1,139,188.44
  4. Step 4: Simplify right side
    1,998,351.38x = 3,141,490,588,561.01
  5. Step 5: Solve for x
    x = 3,141,490,588,561.01/1,998,351.38
  6. Step 6: Final answer
    x = 1,572,041.14

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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.