Home / 3,521,843.28-4,860,163.08-1,912,211.28

Finding the Fourth Proportional to 3,521,843.28, 4,860,163.08 and 1,912,211.28

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Solution

The fourth proportional to 3,521,843.28, 4,860,163.08 and 1,912,211.28 is: 2,638,862.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521,843.28 : 4,860,163.08 = 1,912,211.28 : x
  2. Step 2: Convert to fraction form
    3,521,843.28/4,860,163.08 = 1,912,211.28/x
  3. Step 3: Cross multiply
    3,521,843.28x = 4,860,163.08 × 1,912,211.28
  4. Step 4: Simplify right side
    3,521,843.28x = 9,293,658,664,215.54
  5. Step 5: Solve for x
    x = 9,293,658,664,215.54/3,521,843.28
  6. Step 6: Final answer
    x = 2,638,862.07

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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.