Home / 3,379,718.79-4,664,198.70-1,929,879.95

Finding the Fourth Proportional to 3,379,718.79, 4,664,198.70 and 1,929,879.95

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Solution

The fourth proportional to 3,379,718.79, 4,664,198.70 and 1,929,879.95 is: 2,663,340.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379,718.79 : 4,664,198.70 = 1,929,879.95 : x
  2. Step 2: Convert to fraction form
    3,379,718.79/4,664,198.70 = 1,929,879.95/x
  3. Step 3: Cross multiply
    3,379,718.79x = 4,664,198.70 × 1,929,879.95
  4. Step 4: Simplify right side
    3,379,718.79x = 9,001,343,530,625.07
  5. Step 5: Solve for x
    x = 9,001,343,530,625.07/3,379,718.79
  6. Step 6: Final answer
    x = 2,663,340.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.