Home / 2,687,622.55-4,028,665.91-1,171,022.80

Finding the Fourth Proportional to 2,687,622.55, 4,028,665.91 and 1,171,022.80

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Solution

The fourth proportional to 2,687,622.55, 4,028,665.91 and 1,171,022.80 is: 1,755,328.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687,622.55 : 4,028,665.91 = 1,171,022.80 : x
  2. Step 2: Convert to fraction form
    2,687,622.55/4,028,665.91 = 1,171,022.80/x
  3. Step 3: Cross multiply
    2,687,622.55x = 4,028,665.91 × 1,171,022.80
  4. Step 4: Simplify right side
    2,687,622.55x = 4,717,659,617,782.60
  5. Step 5: Solve for x
    x = 4,717,659,617,782.60/2,687,622.55
  6. Step 6: Final answer
    x = 1,755,328.19

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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.