Home / 2,617,765.38-3,926,533.85-820,607.85

Finding the Fourth Proportional to 2,617,765.38, 3,926,533.85 and 820,607.85

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Solution

The fourth proportional to 2,617,765.38, 3,926,533.85 and 820,607.85 is: 1,230,875.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617,765.38 : 3,926,533.85 = 820,607.85 : x
  2. Step 2: Convert to fraction form
    2,617,765.38/3,926,533.85 = 820,607.85/x
  3. Step 3: Cross multiply
    2,617,765.38x = 3,926,533.85 × 820,607.85
  4. Step 4: Simplify right side
    2,617,765.38x = 3,222,144,500,600.72
  5. Step 5: Solve for x
    x = 3,222,144,500,600.72/2,617,765.38
  6. Step 6: Final answer
    x = 1,230,875.97

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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.