Home / 5,162,509.38-7,123,970.30-2,870,620.86

Finding the Fourth Proportional to 5,162,509.38, 7,123,970.30 and 2,870,620.86

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Solution

The fourth proportional to 5,162,509.38, 7,123,970.30 and 2,870,620.86 is: 3,961,294.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,162,509.38 : 7,123,970.30 = 2,870,620.86 : x
  2. Step 2: Convert to fraction form
    5,162,509.38/7,123,970.30 = 2,870,620.86/x
  3. Step 3: Cross multiply
    5,162,509.38x = 7,123,970.30 × 2,870,620.86
  4. Step 4: Simplify right side
    5,162,509.38x = 20,450,217,749,200.46
  5. Step 5: Solve for x
    x = 20,450,217,749,200.46/5,162,509.38
  6. Step 6: Final answer
    x = 3,961,294.06

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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.