Home / 1,624,121.91-2,436,171.93-1,269,434.25

Finding the Fourth Proportional to 1,624,121.91, 2,436,171.93 and 1,269,434.25

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Solution

The fourth proportional to 1,624,121.91, 2,436,171.93 and 1,269,434.25 is: 1,904,142.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624,121.91 : 2,436,171.93 = 1,269,434.25 : x
  2. Step 2: Convert to fraction form
    1,624,121.91/2,436,171.93 = 1,269,434.25/x
  3. Step 3: Cross multiply
    1,624,121.91x = 2,436,171.93 × 1,269,434.25
  4. Step 4: Simplify right side
    1,624,121.91x = 3,092,560,086,830.60
  5. Step 5: Solve for x
    x = 3,092,560,086,830.60/1,624,121.91
  6. Step 6: Final answer
    x = 1,904,142.83

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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.