Home / 1,789,996.78-2,682,861.03-1,247,314.91

Finding the Fourth Proportional to 1,789,996.78, 2,682,861.03 and 1,247,314.91

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Solution

The fourth proportional to 1,789,996.78, 2,682,861.03 and 1,247,314.91 is: 1,869,485.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789,996.78 : 2,682,861.03 = 1,247,314.91 : x
  2. Step 2: Convert to fraction form
    1,789,996.78/2,682,861.03 = 1,247,314.91/x
  3. Step 3: Cross multiply
    1,789,996.78x = 2,682,861.03 × 1,247,314.91
  4. Step 4: Simplify right side
    1,789,996.78x = 3,346,372,564,176.96
  5. Step 5: Solve for x
    x = 3,346,372,564,176.96/1,789,996.78
  6. Step 6: Final answer
    x = 1,869,485.24

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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.