Home / 2,379,656.42-3,280,754.13-1,891,256.80

Finding the Fourth Proportional to 2,379,656.42, 3,280,754.13 and 1,891,256.80

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Solution

The fourth proportional to 2,379,656.42, 3,280,754.13 and 1,891,256.80 is: 2,607,413.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379,656.42 : 3,280,754.13 = 1,891,256.80 : x
  2. Step 2: Convert to fraction form
    2,379,656.42/3,280,754.13 = 1,891,256.80/x
  3. Step 3: Cross multiply
    2,379,656.42x = 3,280,754.13 × 1,891,256.80
  4. Step 4: Simplify right side
    2,379,656.42x = 6,204,748,554,016.84
  5. Step 5: Solve for x
    x = 6,204,748,554,016.84/2,379,656.42
  6. Step 6: Final answer
    x = 2,607,413.61

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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.