Home / 2,085,647-2,878,192.86-1,131,791

Finding the Fourth Proportional to 2,085,647, 2,878,192.86 and 1,131,791

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Solution

The fourth proportional to 2,085,647, 2,878,192.86 and 1,131,791 is: 1,561,871.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,647 : 2,878,192.86 = 1,131,791 : x
  2. Step 2: Convert to fraction form
    2,085,647/2,878,192.86 = 1,131,791/x
  3. Step 3: Cross multiply
    2,085,647x = 2,878,192.86 × 1,131,791
  4. Step 4: Simplify right side
    2,085,647x = 3,257,512,775,212.26
  5. Step 5: Solve for x
    x = 3,257,512,775,212.26/2,085,647
  6. Step 6: Final answer
    x = 1,561,871.58

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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.