Home / 2,190,606.96-3,286,221.39-674,415.90

Finding the Fourth Proportional to 2,190,606.96, 3,286,221.39 and 674,415.90

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Solution

The fourth proportional to 2,190,606.96, 3,286,221.39 and 674,415.90 is: 1,011,719.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,606.96 : 3,286,221.39 = 674,415.90 : x
  2. Step 2: Convert to fraction form
    2,190,606.96/3,286,221.39 = 674,415.90/x
  3. Step 3: Cross multiply
    2,190,606.96x = 3,286,221.39 × 674,415.90
  4. Step 4: Simplify right side
    2,190,606.96x = 2,216,279,956,336.10
  5. Step 5: Solve for x
    x = 2,216,279,956,336.10/2,190,606.96
  6. Step 6: Final answer
    x = 1,011,719.58

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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.