Home / 2,811,427.48-4,217,103.42-681,529.96

Finding the Fourth Proportional to 2,811,427.48, 4,217,103.42 and 681,529.96

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Solution

The fourth proportional to 2,811,427.48, 4,217,103.42 and 681,529.96 is: 1,022,285.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,427.48 : 4,217,103.42 = 681,529.96 : x
  2. Step 2: Convert to fraction form
    2,811,427.48/4,217,103.42 = 681,529.96/x
  3. Step 3: Cross multiply
    2,811,427.48x = 4,217,103.42 × 681,529.96
  4. Step 4: Simplify right side
    2,811,427.48x = 2,874,082,325,148.46
  5. Step 5: Solve for x
    x = 2,874,082,325,148.46/2,811,427.48
  6. Step 6: Final answer
    x = 1,022,285.78

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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.