Home / 2,617,640.56-3,926,346.60-820,483.08

Finding the Fourth Proportional to 2,617,640.56, 3,926,346.60 and 820,483.08

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Solution

The fourth proportional to 2,617,640.56, 3,926,346.60 and 820,483.08 is: 1,230,688.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617,640.56 : 3,926,346.60 = 820,483.08 : x
  2. Step 2: Convert to fraction form
    2,617,640.56/3,926,346.60 = 820,483.08/x
  3. Step 3: Cross multiply
    2,617,640.56x = 3,926,346.60 × 820,483.08
  4. Step 4: Simplify right side
    2,617,640.56x = 3,221,500,951,515.53
  5. Step 5: Solve for x
    x = 3,221,500,951,515.53/2,617,640.56
  6. Step 6: Final answer
    x = 1,230,688.81

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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.