Home / 2,180,679.76-3,271,150.86-684,771.76

Finding the Fourth Proportional to 2,180,679.76, 3,271,150.86 and 684,771.76

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Solution

The fourth proportional to 2,180,679.76, 3,271,150.86 and 684,771.76 is: 1,027,198.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,679.76 : 3,271,150.86 = 684,771.76 : x
  2. Step 2: Convert to fraction form
    2,180,679.76/3,271,150.86 = 684,771.76/x
  3. Step 3: Cross multiply
    2,180,679.76x = 3,271,150.86 × 684,771.76
  4. Step 4: Simplify right side
    2,180,679.76x = 2,239,991,731,627.71
  5. Step 5: Solve for x
    x = 2,239,991,731,627.71/2,180,679.76
  6. Step 6: Final answer
    x = 1,027,198.85

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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.