Home / 2,230,721.02-3,078,413.45-1,212,125.77

Finding the Fourth Proportional to 2,230,721.02, 3,078,413.45 and 1,212,125.77

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Solution

The fourth proportional to 2,230,721.02, 3,078,413.45 and 1,212,125.77 is: 1,672,743.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230,721.02 : 3,078,413.45 = 1,212,125.77 : x
  2. Step 2: Convert to fraction form
    2,230,721.02/3,078,413.45 = 1,212,125.77/x
  3. Step 3: Cross multiply
    2,230,721.02x = 3,078,413.45 × 1,212,125.77
  4. Step 4: Simplify right side
    2,230,721.02x = 3,731,424,265,294.60
  5. Step 5: Solve for x
    x = 3,731,424,265,294.60/2,230,721.02
  6. Step 6: Final answer
    x = 1,672,743.58

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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.