Home / 2,085,015.69-2,877,382.31-1,179,578.25

Finding the Fourth Proportional to 2,085,015.69, 2,877,382.31 and 1,179,578.25

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Solution

The fourth proportional to 2,085,015.69, 2,877,382.31 and 1,179,578.25 is: 1,627,852.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,015.69 : 2,877,382.31 = 1,179,578.25 : x
  2. Step 2: Convert to fraction form
    2,085,015.69/2,877,382.31 = 1,179,578.25/x
  3. Step 3: Cross multiply
    2,085,015.69x = 2,877,382.31 × 1,179,578.25
  4. Step 4: Simplify right side
    2,085,015.69x = 3,394,097,583,912.87
  5. Step 5: Solve for x
    x = 3,394,097,583,912.87/2,085,015.69
  6. Step 6: Final answer
    x = 1,627,852.30

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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.