Home / 2,788,920.48-4,183,380.72-1,949,112.48

Finding the Fourth Proportional to 2,788,920.48, 4,183,380.72 and 1,949,112.48

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Solution

The fourth proportional to 2,788,920.48, 4,183,380.72 and 1,949,112.48 is: 2,923,668.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788,920.48 : 4,183,380.72 = 1,949,112.48 : x
  2. Step 2: Convert to fraction form
    2,788,920.48/4,183,380.72 = 1,949,112.48/x
  3. Step 3: Cross multiply
    2,788,920.48x = 4,183,380.72 × 1,949,112.48
  4. Step 4: Simplify right side
    2,788,920.48x = 8,153,879,569,943.39
  5. Step 5: Solve for x
    x = 8,153,879,569,943.39/2,788,920.48
  6. Step 6: Final answer
    x = 2,923,668.72

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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.