Home / 3,020,819.86-4,530,150.24-998,690.50

Finding the Fourth Proportional to 3,020,819.86, 4,530,150.24 and 998,690.50

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Solution

The fourth proportional to 3,020,819.86, 4,530,150.24 and 998,690.50 is: 1,497,678.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020,819.86 : 4,530,150.24 = 998,690.50 : x
  2. Step 2: Convert to fraction form
    3,020,819.86/4,530,150.24 = 998,690.50/x
  3. Step 3: Cross multiply
    3,020,819.86x = 4,530,150.24 × 998,690.50
  4. Step 4: Simplify right side
    3,020,819.86x = 4,524,218,008,260.72
  5. Step 5: Solve for x
    x = 4,524,218,008,260.72/3,020,819.86
  6. Step 6: Final answer
    x = 1,497,678.85

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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.