Home / 2,157,584.43-3,235,816.21-640,910.87

Finding the Fourth Proportional to 2,157,584.43, 3,235,816.21 and 640,910.87

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Solution

The fourth proportional to 2,157,584.43, 3,235,816.21 and 640,910.87 is: 961,199.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,584.43 : 3,235,816.21 = 640,910.87 : x
  2. Step 2: Convert to fraction form
    2,157,584.43/3,235,816.21 = 640,910.87/x
  3. Step 3: Cross multiply
    2,157,584.43x = 3,235,816.21 × 640,910.87
  4. Step 4: Simplify right side
    2,157,584.43x = 2,073,869,782,311.20
  5. Step 5: Solve for x
    x = 2,073,869,782,311.20/2,157,584.43
  6. Step 6: Final answer
    x = 961,199.83

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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.