Home / 5,162,508.37-7,123,968.93-2,870,619.85

Finding the Fourth Proportional to 5,162,508.37, 7,123,968.93 and 2,870,619.85

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Solution

The fourth proportional to 5,162,508.37, 7,123,968.93 and 2,870,619.85 is: 3,961,292.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,162,508.37 : 7,123,968.93 = 2,870,619.85 : x
  2. Step 2: Convert to fraction form
    5,162,508.37/7,123,968.93 = 2,870,619.85/x
  3. Step 3: Cross multiply
    5,162,508.37x = 7,123,968.93 × 2,870,619.85
  4. Step 4: Simplify right side
    5,162,508.37x = 20,450,206,621,241.26
  5. Step 5: Solve for x
    x = 20,450,206,621,241.26/5,162,508.37
  6. Step 6: Final answer
    x = 3,961,292.68

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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.