Home / 3,891,428.96-5,370,667.33-2,259,511.43

Finding the Fourth Proportional to 3,891,428.96, 5,370,667.33 and 2,259,511.43

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Solution

The fourth proportional to 3,891,428.96, 5,370,667.33 and 2,259,511.43 is: 3,118,413.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,891,428.96 : 5,370,667.33 = 2,259,511.43 : x
  2. Step 2: Convert to fraction form
    3,891,428.96/5,370,667.33 = 2,259,511.43/x
  3. Step 3: Cross multiply
    3,891,428.96x = 5,370,667.33 × 2,259,511.43
  4. Step 4: Simplify right side
    3,891,428.96x = 12,135,084,226,640.47
  5. Step 5: Solve for x
    x = 12,135,084,226,640.47/3,891,428.96
  6. Step 6: Final answer
    x = 3,118,413.40

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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.