Home / 3,876,080.50-5,348,991.09-2,157,606.97

Finding the Fourth Proportional to 3,876,080.50, 5,348,991.09 and 2,157,606.97

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Solution

The fourth proportional to 3,876,080.50, 5,348,991.09 and 2,157,606.97 is: 2,977,497.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876,080.50 : 5,348,991.09 = 2,157,606.97 : x
  2. Step 2: Convert to fraction form
    3,876,080.50/5,348,991.09 = 2,157,606.97/x
  3. Step 3: Cross multiply
    3,876,080.50x = 5,348,991.09 × 2,157,606.97
  4. Step 4: Simplify right side
    3,876,080.50x = 11,541,020,458,251.90
  5. Step 5: Solve for x
    x = 11,541,020,458,251.90/3,876,080.50
  6. Step 6: Final answer
    x = 2,977,497.62

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1.5x scale

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.