Home / 5,718,476.21-7,891,634.99-3,105,091.40

Finding the Fourth Proportional to 5,718,476.21, 7,891,634.99 and 3,105,091.40

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Solution

The fourth proportional to 5,718,476.21, 7,891,634.99 and 3,105,091.40 is: 4,285,100.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718,476.21 : 7,891,634.99 = 3,105,091.40 : x
  2. Step 2: Convert to fraction form
    5,718,476.21/7,891,634.99 = 3,105,091.40/x
  3. Step 3: Cross multiply
    5,718,476.21x = 7,891,634.99 × 3,105,091.40
  4. Step 4: Simplify right side
    5,718,476.21x = 24,504,247,907,692.64
  5. Step 5: Solve for x
    x = 24,504,247,907,692.64/5,718,476.21
  6. Step 6: Final answer
    x = 4,285,100.97

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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.