Home / 2,230,721.27-3,078,413.80-1,212,126.02

Finding the Fourth Proportional to 2,230,721.27, 3,078,413.80 and 1,212,126.02

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Solution

The fourth proportional to 2,230,721.27, 3,078,413.80 and 1,212,126.02 is: 1,672,743.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230,721.27 : 3,078,413.80 = 1,212,126.02 : x
  2. Step 2: Convert to fraction form
    2,230,721.27/3,078,413.80 = 1,212,126.02/x
  3. Step 3: Cross multiply
    2,230,721.27x = 3,078,413.80 × 1,212,126.02
  4. Step 4: Simplify right side
    2,230,721.27x = 3,731,425,451,915.01
  5. Step 5: Solve for x
    x = 3,731,425,451,915.01/2,230,721.27
  6. Step 6: Final answer
    x = 1,672,743.93

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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.