Home / 3,521,825.28-4,860,138.24-1,912,193.28

Finding the Fourth Proportional to 3,521,825.28, 4,860,138.24 and 1,912,193.28

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Solution

The fourth proportional to 3,521,825.28, 4,860,138.24 and 1,912,193.28 is: 2,638,837.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521,825.28 : 4,860,138.24 = 1,912,193.28 : x
  2. Step 2: Convert to fraction form
    3,521,825.28/4,860,138.24 = 1,912,193.28/x
  3. Step 3: Cross multiply
    3,521,825.28x = 4,860,138.24 × 1,912,193.28
  4. Step 4: Simplify right side
    3,521,825.28x = 9,293,523,682,399.03
  5. Step 5: Solve for x
    x = 9,293,523,682,399.03/3,521,825.28
  6. Step 6: Final answer
    x = 2,638,837.23

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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.