Home / 3,929,607.54-5,887,398.94-2,131,343.96

Finding the Fourth Proportional to 3,929,607.54, 5,887,398.94 and 2,131,343.96

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Solution

The fourth proportional to 3,929,607.54, 5,887,398.94 and 2,131,343.96 is: 3,193,212.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929,607.54 : 5,887,398.94 = 2,131,343.96 : x
  2. Step 2: Convert to fraction form
    3,929,607.54/5,887,398.94 = 2,131,343.96/x
  3. Step 3: Cross multiply
    3,929,607.54x = 5,887,398.94 × 2,131,343.96
  4. Step 4: Simplify right side
    3,929,607.54x = 12,548,072,136,114.05
  5. Step 5: Solve for x
    x = 12,548,072,136,114.05/3,929,607.54
  6. Step 6: Final answer
    x = 3,193,212.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.