Home / 3,608,346.46-4,979,308.87-1,976,469.74

Finding the Fourth Proportional to 3,608,346.46, 4,979,308.87 and 1,976,469.74

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Solution

The fourth proportional to 3,608,346.46, 4,979,308.87 and 1,976,469.74 is: 2,727,413.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608,346.46 : 4,979,308.87 = 1,976,469.74 : x
  2. Step 2: Convert to fraction form
    3,608,346.46/4,979,308.87 = 1,976,469.74/x
  3. Step 3: Cross multiply
    3,608,346.46x = 4,979,308.87 × 1,976,469.74
  4. Step 4: Simplify right side
    3,608,346.46x = 9,841,453,307,668.59
  5. Step 5: Solve for x
    x = 9,841,453,307,668.59/3,608,346.46
  6. Step 6: Final answer
    x = 2,727,413.63

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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.