Home / 2,251,413.32-3,106,951.02-1,218,920.90

Finding the Fourth Proportional to 2,251,413.32, 3,106,951.02 and 1,218,920.90

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Solution

The fourth proportional to 2,251,413.32, 3,106,951.02 and 1,218,920.90 is: 1,682,111.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251,413.32 : 3,106,951.02 = 1,218,920.90 : x
  2. Step 2: Convert to fraction form
    2,251,413.32/3,106,951.02 = 1,218,920.90/x
  3. Step 3: Cross multiply
    2,251,413.32x = 3,106,951.02 × 1,218,920.90
  4. Step 4: Simplify right side
    2,251,413.32x = 3,787,127,533,554.32
  5. Step 5: Solve for x
    x = 3,787,127,533,554.32/2,251,413.32
  6. Step 6: Final answer
    x = 1,682,111.19

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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.