Home / 2,190,942.10-3,286,413.15-1,659,501.10

Finding the Fourth Proportional to 2,190,942.10, 3,286,413.15 and 1,659,501.10

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Solution

The fourth proportional to 2,190,942.10, 3,286,413.15 and 1,659,501.10 is: 2,489,251.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,942.10 : 3,286,413.15 = 1,659,501.10 : x
  2. Step 2: Convert to fraction form
    2,190,942.10/3,286,413.15 = 1,659,501.10/x
  3. Step 3: Cross multiply
    2,190,942.10x = 3,286,413.15 × 1,659,501.10
  4. Step 4: Simplify right side
    2,190,942.10x = 5,453,806,237,479.47
  5. Step 5: Solve for x
    x = 5,453,806,237,479.47/2,190,942.10
  6. Step 6: Final answer
    x = 2,489,251.65

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Double scale
Find fourth proportional to 2,190,943.10, 3,286,414.65 and 1,659,502.10
Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.