Home / 2,617,262.76-3,925,895.70-820,286.28

Finding the Fourth Proportional to 2,617,262.76, 3,925,895.70 and 820,286.28

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Solution

The fourth proportional to 2,617,262.76, 3,925,895.70 and 820,286.28 is: 1,230,429.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617,262.76 : 3,925,895.70 = 820,286.28 : x
  2. Step 2: Convert to fraction form
    2,617,262.76/3,925,895.70 = 820,286.28/x
  3. Step 3: Cross multiply
    2,617,262.76x = 3,925,895.70 × 820,286.28
  4. Step 4: Simplify right side
    2,617,262.76x = 3,220,358,379,421.00
  5. Step 5: Solve for x
    x = 3,220,358,379,421.00/2,617,262.76
  6. Step 6: Final answer
    x = 1,230,429.91

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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.