Home / 2,090,444.20-3,131,000.70-1,615,589.80

Finding the Fourth Proportional to 2,090,444.20, 3,131,000.70 and 1,615,589.80

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Solution

The fourth proportional to 2,090,444.20, 3,131,000.70 and 1,615,589.80 is: 2,419,778.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090,444.20 : 3,131,000.70 = 1,615,589.80 : x
  2. Step 2: Convert to fraction form
    2,090,444.20/3,131,000.70 = 1,615,589.80/x
  3. Step 3: Cross multiply
    2,090,444.20x = 3,131,000.70 × 1,615,589.80
  4. Step 4: Simplify right side
    2,090,444.20x = 5,058,412,794,712.86
  5. Step 5: Solve for x
    x = 5,058,412,794,712.86/2,090,444.20
  6. Step 6: Final answer
    x = 2,419,778.91

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1.5x scale

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.