Home / 5,440,122.20-7,507,131.91-2,992,578.08

Finding the Fourth Proportional to 5,440,122.20, 7,507,131.91 and 2,992,578.08

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Solution

The fourth proportional to 5,440,122.20, 7,507,131.91 and 2,992,578.08 is: 4,129,627.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440,122.20 : 7,507,131.91 = 2,992,578.08 : x
  2. Step 2: Convert to fraction form
    5,440,122.20/7,507,131.91 = 2,992,578.08/x
  3. Step 3: Cross multiply
    5,440,122.20x = 7,507,131.91 × 2,992,578.08
  4. Step 4: Simplify right side
    5,440,122.20x = 22,465,678,352,517.43
  5. Step 5: Solve for x
    x = 22,465,678,352,517.43/5,440,122.20
  6. Step 6: Final answer
    x = 4,129,627.52

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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.