Home / 3,876,057.86-5,348,959.84-2,157,584.34

Finding the Fourth Proportional to 3,876,057.86, 5,348,959.84 and 2,157,584.34

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Solution

The fourth proportional to 3,876,057.86, 5,348,959.84 and 2,157,584.34 is: 2,977,466.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876,057.86 : 5,348,959.84 = 2,157,584.34 : x
  2. Step 2: Convert to fraction form
    3,876,057.86/5,348,959.84 = 2,157,584.34/x
  3. Step 3: Cross multiply
    3,876,057.86x = 5,348,959.84 × 2,157,584.34
  4. Step 4: Simplify right side
    3,876,057.86x = 11,540,831,986,072.90
  5. Step 5: Solve for x
    x = 11,540,831,986,072.90/3,876,057.86
  6. Step 6: Final answer
    x = 2,977,466.39

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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.