Home / 3,280,453.20-4,911,348.60-2,907,205.20

Finding the Fourth Proportional to 3,280,453.20, 4,911,348.60 and 2,907,205.20

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Solution

The fourth proportional to 3,280,453.20, 4,911,348.60 and 2,907,205.20 is: 4,352,538.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,453.20 : 4,911,348.60 = 2,907,205.20 : x
  2. Step 2: Convert to fraction form
    3,280,453.20/4,911,348.60 = 2,907,205.20/x
  3. Step 3: Cross multiply
    3,280,453.20x = 4,911,348.60 × 2,907,205.20
  4. Step 4: Simplify right side
    3,280,453.20x = 14,278,298,188,932.72
  5. Step 5: Solve for x
    x = 14,278,298,188,932.72/3,280,453.20
  6. Step 6: Final answer
    x = 4,352,538.30

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1.5x scale

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.