Home / 2,811,863.31-3,880,375.11-1,522,705.92

Finding the Fourth Proportional to 2,811,863.31, 3,880,375.11 and 1,522,705.92

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Solution

The fourth proportional to 2,811,863.31, 3,880,375.11 and 1,522,705.92 is: 2,101,336.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,863.31 : 3,880,375.11 = 1,522,705.92 : x
  2. Step 2: Convert to fraction form
    2,811,863.31/3,880,375.11 = 1,522,705.92/x
  3. Step 3: Cross multiply
    2,811,863.31x = 3,880,375.11 × 1,522,705.92
  4. Step 4: Simplify right side
    2,811,863.31x = 5,908,670,151,817.65
  5. Step 5: Solve for x
    x = 5,908,670,151,817.65/2,811,863.31
  6. Step 6: Final answer
    x = 2,101,336.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.