Home / 2,156,745.95-3,235,578.17-640,433.27

Finding the Fourth Proportional to 2,156,745.95, 3,235,578.17 and 640,433.27

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Solution

The fourth proportional to 2,156,745.95, 3,235,578.17 and 640,433.27 is: 960,786.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,745.95 : 3,235,578.17 = 640,433.27 : x
  2. Step 2: Convert to fraction form
    2,156,745.95/3,235,578.17 = 640,433.27/x
  3. Step 3: Cross multiply
    2,156,745.95x = 3,235,578.17 × 640,433.27
  4. Step 4: Simplify right side
    2,156,745.95x = 2,072,171,907,753.72
  5. Step 5: Solve for x
    x = 2,072,171,907,753.72/2,156,745.95
  6. Step 6: Final answer
    x = 960,786.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.