Home / 5,162,516.40-7,123,979.94-2,870,627.88

Finding the Fourth Proportional to 5,162,516.40, 7,123,979.94 and 2,870,627.88

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Solution

The fourth proportional to 5,162,516.40, 7,123,979.94 and 2,870,627.88 is: 3,961,303.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,162,516.40 : 7,123,979.94 = 2,870,627.88 : x
  2. Step 2: Convert to fraction form
    5,162,516.40/7,123,979.94 = 2,870,627.88/x
  3. Step 3: Cross multiply
    5,162,516.40x = 7,123,979.94 × 2,870,627.88
  4. Step 4: Simplify right side
    5,162,516.40x = 20,450,295,432,324.73
  5. Step 5: Solve for x
    x = 20,450,295,432,324.73/5,162,516.40
  6. Step 6: Final answer
    x = 3,961,303.72

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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.