Home / 2,161,167.38-3,243,569.67-1,081,355.97

Finding the Fourth Proportional to 2,161,167.38, 3,243,569.67 and 1,081,355.97

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Solution

The fourth proportional to 2,161,167.38, 3,243,569.67 and 1,081,355.97 is: 1,622,943.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161,167.38 : 3,243,569.67 = 1,081,355.97 : x
  2. Step 2: Convert to fraction form
    2,161,167.38/3,243,569.67 = 1,081,355.97/x
  3. Step 3: Cross multiply
    2,161,167.38x = 3,243,569.67 × 1,081,355.97
  4. Step 4: Simplify right side
    2,161,167.38x = 3,507,453,438,928.82
  5. Step 5: Solve for x
    x = 3,507,453,438,928.82/2,161,167.38
  6. Step 6: Final answer
    x = 1,622,943.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.