Home / 2,617,527.70-3,926,340.78-820,371.43

Finding the Fourth Proportional to 2,617,527.70, 3,926,340.78 and 820,371.43

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Solution

The fourth proportional to 2,617,527.70, 3,926,340.78 and 820,371.43 is: 1,230,572.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617,527.70 : 3,926,340.78 = 820,371.43 : x
  2. Step 2: Convert to fraction form
    2,617,527.70/3,926,340.78 = 820,371.43/x
  3. Step 3: Cross multiply
    2,617,527.70x = 3,926,340.78 × 820,371.43
  4. Step 4: Simplify right side
    2,617,527.70x = 3,221,057,800,355.92
  5. Step 5: Solve for x
    x = 3,221,057,800,355.92/2,617,527.70
  6. Step 6: Final answer
    x = 1,230,572.57

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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.