Home / 5,162,505.37-7,123,964.79-2,870,616.85

Finding the Fourth Proportional to 5,162,505.37, 7,123,964.79 and 2,870,616.85

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Solution

The fourth proportional to 5,162,505.37, 7,123,964.79 and 2,870,616.85 is: 3,961,288.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,162,505.37 : 7,123,964.79 = 2,870,616.85 : x
  2. Step 2: Convert to fraction form
    5,162,505.37/7,123,964.79 = 2,870,616.85/x
  3. Step 3: Cross multiply
    5,162,505.37x = 7,123,964.79 × 2,870,616.85
  4. Step 4: Simplify right side
    5,162,505.37x = 20,450,173,364,980.71
  5. Step 5: Solve for x
    x = 20,450,173,364,980.71/5,162,505.37
  6. Step 6: Final answer
    x = 3,961,288.54

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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.