Home / 5,162,502.87-7,123,961.34-2,870,614.35

Finding the Fourth Proportional to 5,162,502.87, 7,123,961.34 and 2,870,614.35

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Solution

The fourth proportional to 5,162,502.87, 7,123,961.34 and 2,870,614.35 is: 3,961,285.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,162,502.87 : 7,123,961.34 = 2,870,614.35 : x
  2. Step 2: Convert to fraction form
    5,162,502.87/7,123,961.34 = 2,870,614.35/x
  3. Step 3: Cross multiply
    5,162,502.87x = 7,123,961.34 × 2,870,614.35
  4. Step 4: Simplify right side
    5,162,502.87x = 20,450,145,651,449.23
  5. Step 5: Solve for x
    x = 20,450,145,651,449.23/5,162,502.87
  6. Step 6: Final answer
    x = 3,961,285.09

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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.