Home / 2,171,830.20-3,257,745.30-1,820,160.60

Finding the Fourth Proportional to 2,171,830.20, 3,257,745.30 and 1,820,160.60

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Solution

The fourth proportional to 2,171,830.20, 3,257,745.30 and 1,820,160.60 is: 2,730,240.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,830.20 : 3,257,745.30 = 1,820,160.60 : x
  2. Step 2: Convert to fraction form
    2,171,830.20/3,257,745.30 = 1,820,160.60/x
  3. Step 3: Cross multiply
    2,171,830.20x = 3,257,745.30 × 1,820,160.60
  4. Step 4: Simplify right side
    2,171,830.20x = 5,929,619,639,895.18
  5. Step 5: Solve for x
    x = 5,929,619,639,895.18/2,171,830.20
  6. Step 6: Final answer
    x = 2,730,240.90

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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.