Home / 1,998,917.09-2,758,495.22-1,081,145.27

Finding the Fourth Proportional to 1,998,917.09, 2,758,495.22 and 1,081,145.27

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Solution

The fourth proportional to 1,998,917.09, 2,758,495.22 and 1,081,145.27 is: 1,491,974.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,917.09 : 2,758,495.22 = 1,081,145.27 : x
  2. Step 2: Convert to fraction form
    1,998,917.09/2,758,495.22 = 1,081,145.27/x
  3. Step 3: Cross multiply
    1,998,917.09x = 2,758,495.22 × 1,081,145.27
  4. Step 4: Simplify right side
    1,998,917.09x = 2,982,334,068,006.14
  5. Step 5: Solve for x
    x = 2,982,334,068,006.14/1,998,917.09
  6. Step 6: Final answer
    x = 1,491,974.87

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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.