Home / 3,876,072.13-5,348,979.61-2,157,598.61

Finding the Fourth Proportional to 3,876,072.13, 5,348,979.61 and 2,157,598.61

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Solution

The fourth proportional to 3,876,072.13, 5,348,979.61 and 2,157,598.61 is: 2,977,486.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876,072.13 : 5,348,979.61 = 2,157,598.61 : x
  2. Step 2: Convert to fraction form
    3,876,072.13/5,348,979.61 = 2,157,598.61/x
  3. Step 3: Cross multiply
    3,876,072.13x = 5,348,979.61 × 2,157,598.61
  4. Step 4: Simplify right side
    3,876,072.13x = 11,540,950,939,315.45
  5. Step 5: Solve for x
    x = 11,540,950,939,315.45/3,876,072.13
  6. Step 6: Final answer
    x = 2,977,486.11

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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.