Home / 4,115,008.71-5,678,757.44-2,279,495.11

Finding the Fourth Proportional to 4,115,008.71, 5,678,757.44 and 2,279,495.11

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Solution

The fourth proportional to 4,115,008.71, 5,678,757.44 and 2,279,495.11 is: 3,145,728.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115,008.71 : 5,678,757.44 = 2,279,495.11 : x
  2. Step 2: Convert to fraction form
    4,115,008.71/5,678,757.44 = 2,279,495.11/x
  3. Step 3: Cross multiply
    4,115,008.71x = 5,678,757.44 × 2,279,495.11
  4. Step 4: Simplify right side
    4,115,008.71x = 12,944,699,815,356.12
  5. Step 5: Solve for x
    x = 12,944,699,815,356.12/4,115,008.71
  6. Step 6: Final answer
    x = 3,145,728.41

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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.