Home / 1,988,413.35-2,744,322.03-1,172,706.71

Finding the Fourth Proportional to 1,988,413.35, 2,744,322.03 and 1,172,706.71

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Solution

The fourth proportional to 1,988,413.35, 2,744,322.03 and 1,172,706.71 is: 1,618,519.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,413.35 : 2,744,322.03 = 1,172,706.71 : x
  2. Step 2: Convert to fraction form
    1,988,413.35/2,744,322.03 = 1,172,706.71/x
  3. Step 3: Cross multiply
    1,988,413.35x = 2,744,322.03 × 1,172,706.71
  4. Step 4: Simplify right side
    1,988,413.35x = 3,218,284,845,260.21
  5. Step 5: Solve for x
    x = 3,218,284,845,260.21/1,988,413.35
  6. Step 6: Final answer
    x = 1,618,519.03

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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.