Home / 3,876,072.50-5,348,980.13-2,157,598.98

Finding the Fourth Proportional to 3,876,072.50, 5,348,980.13 and 2,157,598.98

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Solution

The fourth proportional to 3,876,072.50, 5,348,980.13 and 2,157,598.98 is: 2,977,486.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876,072.50 : 5,348,980.13 = 2,157,598.98 : x
  2. Step 2: Convert to fraction form
    3,876,072.50/5,348,980.13 = 2,157,598.98/x
  3. Step 3: Cross multiply
    3,876,072.50x = 5,348,980.13 × 2,157,598.98
  4. Step 4: Simplify right side
    3,876,072.50x = 11,540,954,061,740.27
  5. Step 5: Solve for x
    x = 11,540,954,061,740.27/3,876,072.50
  6. Step 6: Final answer
    x = 2,977,486.63

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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.