Home / 2,085,628-2,878,166.64-1,131,772

Finding the Fourth Proportional to 2,085,628, 2,878,166.64 and 1,131,772

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Solution

The fourth proportional to 2,085,628, 2,878,166.64 and 1,131,772 is: 1,561,845.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,628 : 2,878,166.64 = 1,131,772 : x
  2. Step 2: Convert to fraction form
    2,085,628/2,878,166.64 = 1,131,772/x
  3. Step 3: Cross multiply
    2,085,628x = 2,878,166.64 × 1,131,772
  4. Step 4: Simplify right side
    2,085,628x = 3,257,428,414,486.08
  5. Step 5: Solve for x
    x = 3,257,428,414,486.08/2,085,628
  6. Step 6: Final answer
    x = 1,561,845.36

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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.