Home / 3,493,472.64-5,239,907.79-2,126,892.43

Finding the Fourth Proportional to 3,493,472.64, 5,239,907.79 and 2,126,892.43

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Solution

The fourth proportional to 3,493,472.64, 5,239,907.79 and 2,126,892.43 is: 3,190,155.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,493,472.64 : 5,239,907.79 = 2,126,892.43 : x
  2. Step 2: Convert to fraction form
    3,493,472.64/5,239,907.79 = 2,126,892.43/x
  3. Step 3: Cross multiply
    3,493,472.64x = 5,239,907.79 × 2,126,892.43
  4. Step 4: Simplify right side
    3,493,472.64x = 11,144,720,228,968.72
  5. Step 5: Solve for x
    x = 11,144,720,228,968.72/3,493,472.64
  6. Step 6: Final answer
    x = 3,190,155.29

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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.