Home / 2,138,936.21-3,208,409.79-541,499.48

Finding the Fourth Proportional to 2,138,936.21, 3,208,409.79 and 541,499.48

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Solution

The fourth proportional to 2,138,936.21, 3,208,409.79 and 541,499.48 is: 812,250.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,936.21 : 3,208,409.79 = 541,499.48 : x
  2. Step 2: Convert to fraction form
    2,138,936.21/3,208,409.79 = 541,499.48/x
  3. Step 3: Cross multiply
    2,138,936.21x = 3,208,409.79 × 541,499.48
  4. Step 4: Simplify right side
    2,138,936.21x = 1,737,352,216,869.86
  5. Step 5: Solve for x
    x = 1,737,352,216,869.86/2,138,936.21
  6. Step 6: Final answer
    x = 812,250.60

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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.