Home / 2,162,226.69-2,983,377.79-1,290,891.80

Finding the Fourth Proportional to 2,162,226.69, 2,983,377.79 and 1,290,891.80

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Solution

The fourth proportional to 2,162,226.69, 2,983,377.79 and 1,290,891.80 is: 1,781,135.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,162,226.69 : 2,983,377.79 = 1,290,891.80 : x
  2. Step 2: Convert to fraction form
    2,162,226.69/2,983,377.79 = 1,290,891.80/x
  3. Step 3: Cross multiply
    2,162,226.69x = 2,983,377.79 × 1,290,891.80
  4. Step 4: Simplify right side
    2,162,226.69x = 3,851,217,925,413.12
  5. Step 5: Solve for x
    x = 3,851,217,925,413.12/2,162,226.69
  6. Step 6: Final answer
    x = 1,781,135.13

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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.