Home / 2,172,971.97-2,998,967.03-1,206,413.64

Finding the Fourth Proportional to 2,172,971.97, 2,998,967.03 and 1,206,413.64

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Solution

The fourth proportional to 2,172,971.97, 2,998,967.03 and 1,206,413.64 is: 1,664,998.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,971.97 : 2,998,967.03 = 1,206,413.64 : x
  2. Step 2: Convert to fraction form
    2,172,971.97/2,998,967.03 = 1,206,413.64/x
  3. Step 3: Cross multiply
    2,172,971.97x = 2,998,967.03 × 1,206,413.64
  4. Step 4: Simplify right side
    2,172,971.97x = 3,617,994,724,870.22
  5. Step 5: Solve for x
    x = 3,617,994,724,870.22/2,172,971.97
  6. Step 6: Final answer
    x = 1,664,998.34

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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.