Home / 2,515,899.70-3,471,945.78-1,369,984.60

Finding the Fourth Proportional to 2,515,899.70, 3,471,945.78 and 1,369,984.60

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Solution

The fourth proportional to 2,515,899.70, 3,471,945.78 and 1,369,984.60 is: 1,890,581.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,515,899.70 : 3,471,945.78 = 1,369,984.60 : x
  2. Step 2: Convert to fraction form
    2,515,899.70/3,471,945.78 = 1,369,984.60/x
  3. Step 3: Cross multiply
    2,515,899.70x = 3,471,945.78 × 1,369,984.60
  4. Step 4: Simplify right side
    2,515,899.70x = 4,756,512,250,634.99
  5. Step 5: Solve for x
    x = 4,756,512,250,634.99/2,515,899.70
  6. Step 6: Final answer
    x = 1,890,581.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.