Home / 5,390,096.10-8,082,191.70-2,191,608.60

Finding the Fourth Proportional to 5,390,096.10, 8,082,191.70 and 2,191,608.60

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Solution

The fourth proportional to 5,390,096.10, 8,082,191.70 and 2,191,608.60 is: 3,286,212.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,096.10 : 8,082,191.70 = 2,191,608.60 : x
  2. Step 2: Convert to fraction form
    5,390,096.10/8,082,191.70 = 2,191,608.60/x
  3. Step 3: Cross multiply
    5,390,096.10x = 8,082,191.70 × 2,191,608.60
  4. Step 4: Simplify right side
    5,390,096.10x = 17,713,000,836,568.62
  5. Step 5: Solve for x
    x = 17,713,000,836,568.62/5,390,096.10
  6. Step 6: Final answer
    x = 3,286,212.44

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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.