Home / 3,915,660.85-5,879,256.97-2,189,911.82

Finding the Fourth Proportional to 3,915,660.85, 5,879,256.97 and 2,189,911.82

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Solution

The fourth proportional to 3,915,660.85, 5,879,256.97 and 2,189,911.82 is: 3,288,092.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915,660.85 : 5,879,256.97 = 2,189,911.82 : x
  2. Step 2: Convert to fraction form
    3,915,660.85/5,879,256.97 = 2,189,911.82/x
  3. Step 3: Cross multiply
    3,915,660.85x = 5,879,256.97 × 2,189,911.82
  4. Step 4: Simplify right side
    3,915,660.85x = 12,875,054,340,643.75
  5. Step 5: Solve for x
    x = 12,875,054,340,643.75/3,915,660.85
  6. Step 6: Final answer
    x = 3,288,092.31

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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.