Home / 3,078,413.52-4,248,216.42-1,720,286.52

Finding the Fourth Proportional to 3,078,413.52, 4,248,216.42 and 1,720,286.52

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Solution

The fourth proportional to 3,078,413.52, 4,248,216.42 and 1,720,286.52 is: 2,373,998.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,413.52 : 4,248,216.42 = 1,720,286.52 : x
  2. Step 2: Convert to fraction form
    3,078,413.52/4,248,216.42 = 1,720,286.52/x
  3. Step 3: Cross multiply
    3,078,413.52x = 4,248,216.42 × 1,720,286.52
  4. Step 4: Simplify right side
    3,078,413.52x = 7,308,149,441,368.66
  5. Step 5: Solve for x
    x = 7,308,149,441,368.66/3,078,413.52
  6. Step 6: Final answer
    x = 2,373,998.62

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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.