Home / 3,666,144.40-5,499,216.60-3,280,454.80

Finding the Fourth Proportional to 3,666,144.40, 5,499,216.60 and 3,280,454.80

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Solution

The fourth proportional to 3,666,144.40, 5,499,216.60 and 3,280,454.80 is: 4,920,682.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,666,144.40 : 5,499,216.60 = 3,280,454.80 : x
  2. Step 2: Convert to fraction form
    3,666,144.40/5,499,216.60 = 3,280,454.80/x
  3. Step 3: Cross multiply
    3,666,144.40x = 5,499,216.60 × 3,280,454.80
  4. Step 4: Simplify right side
    3,666,144.40x = 18,039,931,491,709.68
  5. Step 5: Solve for x
    x = 18,039,931,491,709.68/3,666,144.40
  6. Step 6: Final answer
    x = 4,920,682.20

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Similar ratio
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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.