Home / 3,876,076.63-5,348,985.82-2,157,603.11

Finding the Fourth Proportional to 3,876,076.63, 5,348,985.82 and 2,157,603.11

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Solution

The fourth proportional to 3,876,076.63, 5,348,985.82 and 2,157,603.11 is: 2,977,492.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876,076.63 : 5,348,985.82 = 2,157,603.11 : x
  2. Step 2: Convert to fraction form
    3,876,076.63/5,348,985.82 = 2,157,603.11/x
  3. Step 3: Cross multiply
    3,876,076.63x = 5,348,985.82 × 2,157,603.11
  4. Step 4: Simplify right side
    3,876,076.63x = 11,540,988,408,438.96
  5. Step 5: Solve for x
    x = 11,540,988,408,438.96/3,876,076.63
  6. Step 6: Final answer
    x = 2,977,492.32

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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.