Home / 3,876,057.73-5,348,959.67-2,157,584.21

Finding the Fourth Proportional to 3,876,057.73, 5,348,959.67 and 2,157,584.21

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Solution

The fourth proportional to 3,876,057.73, 5,348,959.67 and 2,157,584.21 is: 2,977,466.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876,057.73 : 5,348,959.67 = 2,157,584.21 : x
  2. Step 2: Convert to fraction form
    3,876,057.73/5,348,959.67 = 2,157,584.21/x
  3. Step 3: Cross multiply
    3,876,057.73x = 5,348,959.67 × 2,157,584.21
  4. Step 4: Simplify right side
    3,876,057.73x = 11,540,830,902,567.97
  5. Step 5: Solve for x
    x = 11,540,830,902,567.97/3,876,057.73
  6. Step 6: Final answer
    x = 2,977,466.21

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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.