Home / 3,186,992.39-4,780,481.90-998,730

Finding the Fourth Proportional to 3,186,992.39, 4,780,481.90 and 998,730

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Solution

The fourth proportional to 3,186,992.39, 4,780,481.90 and 998,730 is: 1,498,092.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186,992.39 : 4,780,481.90 = 998,730 : x
  2. Step 2: Convert to fraction form
    3,186,992.39/4,780,481.90 = 998,730/x
  3. Step 3: Cross multiply
    3,186,992.39x = 4,780,481.90 × 998,730
  4. Step 4: Simplify right side
    3,186,992.39x = 4,774,410,682,993.35
  5. Step 5: Solve for x
    x = 4,774,410,682,993.35/3,186,992.39
  6. Step 6: Final answer
    x = 1,498,092.91

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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.