Home / 1,661,413.90-2,292,799.22-936,221.71

Finding the Fourth Proportional to 1,661,413.90, 2,292,799.22 and 936,221.71

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Solution

The fourth proportional to 1,661,413.90, 2,292,799.22 and 936,221.71 is: 1,292,013.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,413.90 : 2,292,799.22 = 936,221.71 : x
  2. Step 2: Convert to fraction form
    1,661,413.90/2,292,799.22 = 936,221.71/x
  3. Step 3: Cross multiply
    1,661,413.90x = 2,292,799.22 × 936,221.71
  4. Step 4: Simplify right side
    1,661,413.90x = 2,146,568,406,435.07
  5. Step 5: Solve for x
    x = 2,146,568,406,435.07/1,661,413.90
  6. Step 6: Final answer
    x = 1,292,013.03

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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.