Home / 2,137,441.62-3,206,373.03-621,137.82

Finding the Fourth Proportional to 2,137,441.62, 3,206,373.03 and 621,137.82

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Solution

The fourth proportional to 2,137,441.62, 3,206,373.03 and 621,137.82 is: 931,767.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137,441.62 : 3,206,373.03 = 621,137.82 : x
  2. Step 2: Convert to fraction form
    2,137,441.62/3,206,373.03 = 621,137.82/x
  3. Step 3: Cross multiply
    2,137,441.62x = 3,206,373.03 × 621,137.82
  4. Step 4: Simplify right side
    2,137,441.62x = 1,991,599,553,960.99
  5. Step 5: Solve for x
    x = 1,991,599,553,960.99/2,137,441.62
  6. Step 6: Final answer
    x = 931,767.93

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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.