Home / 3,728,550.87-5,144,628.67-2,179,513.13

Finding the Fourth Proportional to 3,728,550.87, 5,144,628.67 and 2,179,513.13

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Solution

The fourth proportional to 3,728,550.87, 5,144,628.67 and 2,179,513.13 is: 3,007,277.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728,550.87 : 5,144,628.67 = 2,179,513.13 : x
  2. Step 2: Convert to fraction form
    3,728,550.87/5,144,628.67 = 2,179,513.13/x
  3. Step 3: Cross multiply
    3,728,550.87x = 5,144,628.67 × 2,179,513.13
  4. Step 4: Simplify right side
    3,728,550.87x = 11,212,785,704,067.51
  5. Step 5: Solve for x
    x = 11,212,785,704,067.51/3,728,550.87
  6. Step 6: Final answer
    x = 3,007,277.12

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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.