Home / 1,983,658.43-2,737,747.89-1,209,738.26

Finding the Fourth Proportional to 1,983,658.43, 2,737,747.89 and 1,209,738.26

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Solution

The fourth proportional to 1,983,658.43, 2,737,747.89 and 1,209,738.26 is: 1,669,621.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983,658.43 : 2,737,747.89 = 1,209,738.26 : x
  2. Step 2: Convert to fraction form
    1,983,658.43/2,737,747.89 = 1,209,738.26/x
  3. Step 3: Cross multiply
    1,983,658.43x = 2,737,747.89 × 1,209,738.26
  4. Step 4: Simplify right side
    1,983,658.43x = 3,311,958,375,611.64
  5. Step 5: Solve for x
    x = 3,311,958,375,611.64/1,983,658.43
  6. Step 6: Final answer
    x = 1,669,621.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.