Home / 2,617,380.28-3,926,070.72-820,263.52

Finding the Fourth Proportional to 2,617,380.28, 3,926,070.72 and 820,263.52

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Solution

The fourth proportional to 2,617,380.28, 3,926,070.72 and 820,263.52 is: 1,230,395.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617,380.28 : 3,926,070.72 = 820,263.52 : x
  2. Step 2: Convert to fraction form
    2,617,380.28/3,926,070.72 = 820,263.52/x
  3. Step 3: Cross multiply
    2,617,380.28x = 3,926,070.72 × 820,263.52
  4. Step 4: Simplify right side
    2,617,380.28x = 3,220,412,588,556.14
  5. Step 5: Solve for x
    x = 3,220,412,588,556.14/2,617,380.28
  6. Step 6: Final answer
    x = 1,230,395.37

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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.