Home / 3,915,660.80-5,879,256.88-2,189,911.77

Finding the Fourth Proportional to 3,915,660.80, 5,879,256.88 and 2,189,911.77

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Solution

The fourth proportional to 3,915,660.80, 5,879,256.88 and 2,189,911.77 is: 3,288,092.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915,660.80 : 5,879,256.88 = 2,189,911.77 : x
  2. Step 2: Convert to fraction form
    3,915,660.80/5,879,256.88 = 2,189,911.77/x
  3. Step 3: Cross multiply
    3,915,660.80x = 5,879,256.88 × 2,189,911.77
  4. Step 4: Simplify right side
    3,915,660.80x = 12,875,053,840,365.48
  5. Step 5: Solve for x
    x = 12,875,053,840,365.48/3,915,660.80
  6. Step 6: Final answer
    x = 3,288,092.23

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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.