Home / 2,720,416.27-4,081,122.59-1,122,107.46

Finding the Fourth Proportional to 2,720,416.27, 4,081,122.59 and 1,122,107.46

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Solution

The fourth proportional to 2,720,416.27, 4,081,122.59 and 1,122,107.46 is: 1,683,366.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720,416.27 : 4,081,122.59 = 1,122,107.46 : x
  2. Step 2: Convert to fraction form
    2,720,416.27/4,081,122.59 = 1,122,107.46/x
  3. Step 3: Cross multiply
    2,720,416.27x = 4,081,122.59 × 1,122,107.46
  4. Step 4: Simplify right side
    2,720,416.27x = 4,579,458,103,413.52
  5. Step 5: Solve for x
    x = 4,579,458,103,413.52/2,720,416.27
  6. Step 6: Final answer
    x = 1,683,366.68

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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.