Home / 5,188,914.15-7,160,715.42-2,897,156.85

Finding the Fourth Proportional to 5,188,914.15, 7,160,715.42 and 2,897,156.85

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Solution

The fourth proportional to 5,188,914.15, 7,160,715.42 and 2,897,156.85 is: 3,998,084.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188,914.15 : 7,160,715.42 = 2,897,156.85 : x
  2. Step 2: Convert to fraction form
    5,188,914.15/7,160,715.42 = 2,897,156.85/x
  3. Step 3: Cross multiply
    5,188,914.15x = 7,160,715.42 × 2,897,156.85
  4. Step 4: Simplify right side
    5,188,914.15x = 20,745,715,729,953.63
  5. Step 5: Solve for x
    x = 20,745,715,729,953.63/5,188,914.15
  6. Step 6: Final answer
    x = 3,998,084.21

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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.