Home / 2,998,778.20-4,498,400.58-868,892.92

Finding the Fourth Proportional to 2,998,778.20, 4,498,400.58 and 868,892.92

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Solution

The fourth proportional to 2,998,778.20, 4,498,400.58 and 868,892.92 is: 1,303,406.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998,778.20 : 4,498,400.58 = 868,892.92 : x
  2. Step 2: Convert to fraction form
    2,998,778.20/4,498,400.58 = 868,892.92/x
  3. Step 3: Cross multiply
    2,998,778.20x = 4,498,400.58 × 868,892.92
  4. Step 4: Simplify right side
    2,998,778.20x = 3,908,628,415,285.89
  5. Step 5: Solve for x
    x = 3,908,628,415,285.89/2,998,778.20
  6. Step 6: Final answer
    x = 1,303,406.97

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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.