Home / 2,764,137.20-4,146,538.01-2,612,971.76

Finding the Fourth Proportional to 2,764,137.20, 4,146,538.01 and 2,612,971.76

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Solution

The fourth proportional to 2,764,137.20, 4,146,538.01 and 2,612,971.76 is: 3,919,771.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764,137.20 : 4,146,538.01 = 2,612,971.76 : x
  2. Step 2: Convert to fraction form
    2,764,137.20/4,146,538.01 = 2,612,971.76/x
  3. Step 3: Cross multiply
    2,764,137.20x = 4,146,538.01 × 2,612,971.76
  4. Step 4: Simplify right side
    2,764,137.20x = 10,834,786,688,099.05
  5. Step 5: Solve for x
    x = 10,834,786,688,099.05/2,764,137.20
  6. Step 6: Final answer
    x = 3,919,771.68

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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.