Home / 3,118,693.56-4,679,679.60-2,213,716.20

Finding the Fourth Proportional to 3,118,693.56, 4,679,679.60 and 2,213,716.20

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Solution

The fourth proportional to 3,118,693.56, 4,679,679.60 and 2,213,716.20 is: 3,321,737.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,693.56 : 4,679,679.60 = 2,213,716.20 : x
  2. Step 2: Convert to fraction form
    3,118,693.56/4,679,679.60 = 2,213,716.20/x
  3. Step 3: Cross multiply
    3,118,693.56x = 4,679,679.60 × 2,213,716.20
  4. Step 4: Simplify right side
    3,118,693.56x = 10,359,482,541,329.52
  5. Step 5: Solve for x
    x = 10,359,482,541,329.52/3,118,693.56
  6. Step 6: Final answer
    x = 3,321,737.88

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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.