Home / 3,915,659.61-5,879,255.10-2,189,910.58

Finding the Fourth Proportional to 3,915,659.61, 5,879,255.10 and 2,189,910.58

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Solution

The fourth proportional to 3,915,659.61, 5,879,255.10 and 2,189,910.58 is: 3,288,090.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915,659.61 : 5,879,255.10 = 2,189,910.58 : x
  2. Step 2: Convert to fraction form
    3,915,659.61/5,879,255.10 = 2,189,910.58/x
  3. Step 3: Cross multiply
    3,915,659.61x = 5,879,255.10 × 2,189,910.58
  4. Step 4: Simplify right side
    3,915,659.61x = 12,875,042,956,169.46
  5. Step 5: Solve for x
    x = 12,875,042,956,169.46/3,915,659.61
  6. Step 6: Final answer
    x = 3,288,090.45

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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.