Home / 5,188,882.31-7,776,572.26-2,111,286.55

Finding the Fourth Proportional to 5,188,882.31, 7,776,572.26 and 2,111,286.55

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Solution

The fourth proportional to 5,188,882.31, 7,776,572.26 and 2,111,286.55 is: 3,164,182.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188,882.31 : 7,776,572.26 = 2,111,286.55 : x
  2. Step 2: Convert to fraction form
    5,188,882.31/7,776,572.26 = 2,111,286.55/x
  3. Step 3: Cross multiply
    5,188,882.31x = 7,776,572.26 × 2,111,286.55
  4. Step 4: Simplify right side
    5,188,882.31x = 16,418,572,368,201.81
  5. Step 5: Solve for x
    x = 16,418,572,368,201.81/5,188,882.31
  6. Step 6: Final answer
    x = 3,164,182.84

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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.