Home / 5,188,882.65-7,776,572.81-2,111,286.87

Finding the Fourth Proportional to 5,188,882.65, 7,776,572.81 and 2,111,286.87

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Solution

The fourth proportional to 5,188,882.65, 7,776,572.81 and 2,111,286.87 is: 3,164,183.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188,882.65 : 7,776,572.81 = 2,111,286.87 : x
  2. Step 2: Convert to fraction form
    5,188,882.65/7,776,572.81 = 2,111,286.87/x
  3. Step 3: Cross multiply
    5,188,882.65x = 7,776,572.81 × 2,111,286.87
  4. Step 4: Simplify right side
    5,188,882.65x = 16,418,576,056,795.57
  5. Step 5: Solve for x
    x = 16,418,576,056,795.57/5,188,882.65
  6. Step 6: Final answer
    x = 3,164,183.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.