Home / 2,720,658.40-4,081,141.20-827,461.60

Finding the Fourth Proportional to 2,720,658.40, 4,081,141.20 and 827,461.60

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Solution

The fourth proportional to 2,720,658.40, 4,081,141.20 and 827,461.60 is: 1,241,239.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720,658.40 : 4,081,141.20 = 827,461.60 : x
  2. Step 2: Convert to fraction form
    2,720,658.40/4,081,141.20 = 827,461.60/x
  3. Step 3: Cross multiply
    2,720,658.40x = 4,081,141.20 × 827,461.60
  4. Step 4: Simplify right side
    2,720,658.40x = 3,376,987,627,177.92
  5. Step 5: Solve for x
    x = 3,376,987,627,177.92/2,720,658.40
  6. Step 6: Final answer
    x = 1,241,239.12

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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.