Home / 3,237,115.91-4,467,220.20-1,786,811.72

Finding the Fourth Proportional to 3,237,115.91, 4,467,220.20 and 1,786,811.72

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Solution

The fourth proportional to 3,237,115.91, 4,467,220.20 and 1,786,811.72 is: 2,465,800.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,237,115.91 : 4,467,220.20 = 1,786,811.72 : x
  2. Step 2: Convert to fraction form
    3,237,115.91/4,467,220.20 = 1,786,811.72/x
  3. Step 3: Cross multiply
    3,237,115.91x = 4,467,220.20 × 1,786,811.72
  4. Step 4: Simplify right side
    3,237,115.91x = 7,982,081,420,348.80
  5. Step 5: Solve for x
    x = 7,982,081,420,348.80/3,237,115.91
  6. Step 6: Final answer
    x = 2,465,800.31

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1.5x scale

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.