Home / 3,915,659.80-5,879,255.38-2,189,910.77

Finding the Fourth Proportional to 3,915,659.80, 5,879,255.38 and 2,189,910.77

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Solution

The fourth proportional to 3,915,659.80, 5,879,255.38 and 2,189,910.77 is: 3,288,090.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915,659.80 : 5,879,255.38 = 2,189,910.77 : x
  2. Step 2: Convert to fraction form
    3,915,659.80/5,879,255.38 = 2,189,910.77/x
  3. Step 3: Cross multiply
    3,915,659.80x = 5,879,255.38 × 2,189,910.77
  4. Step 4: Simplify right side
    3,915,659.80x = 12,875,044,674,442.20
  5. Step 5: Solve for x
    x = 12,875,044,674,442.20/3,915,659.80
  6. Step 6: Final answer
    x = 3,288,090.73

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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.