Home / 3,876,072.88-5,348,980.64-2,157,599.36

Finding the Fourth Proportional to 3,876,072.88, 5,348,980.64 and 2,157,599.36

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Solution

The fourth proportional to 3,876,072.88, 5,348,980.64 and 2,157,599.36 is: 2,977,487.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876,072.88 : 5,348,980.64 = 2,157,599.36 : x
  2. Step 2: Convert to fraction form
    3,876,072.88/5,348,980.64 = 2,157,599.36/x
  3. Step 3: Cross multiply
    3,876,072.88x = 5,348,980.64 × 2,157,599.36
  4. Step 4: Simplify right side
    3,876,072.88x = 11,540,957,184,165.49
  5. Step 5: Solve for x
    x = 11,540,957,184,165.49/3,876,072.88
  6. Step 6: Final answer
    x = 2,977,487.15

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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.