Home / 4,428,144.20-6,642,216.30-3,640,824.20

Finding the Fourth Proportional to 4,428,144.20, 6,642,216.30 and 3,640,824.20

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Solution

The fourth proportional to 4,428,144.20, 6,642,216.30 and 3,640,824.20 is: 5,461,236.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428,144.20 : 6,642,216.30 = 3,640,824.20 : x
  2. Step 2: Convert to fraction form
    4,428,144.20/6,642,216.30 = 3,640,824.20/x
  3. Step 3: Cross multiply
    4,428,144.20x = 6,642,216.30 × 3,640,824.20
  4. Step 4: Simplify right side
    4,428,144.20x = 24,183,141,846,674.46
  5. Step 5: Solve for x
    x = 24,183,141,846,674.46/4,428,144.20
  6. Step 6: Final answer
    x = 5,461,236.30

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Double scale
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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.