Home / 5,191,106.30-7,786,586.55-2,351,213.90

Finding the Fourth Proportional to 5,191,106.30, 7,786,586.55 and 2,351,213.90

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Solution

The fourth proportional to 5,191,106.30, 7,786,586.55 and 2,351,213.90 is: 3,526,787.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191,106.30 : 7,786,586.55 = 2,351,213.90 : x
  2. Step 2: Convert to fraction form
    5,191,106.30/7,786,586.55 = 2,351,213.90/x
  3. Step 3: Cross multiply
    5,191,106.30x = 7,786,586.55 × 2,351,213.90
  4. Step 4: Simplify right side
    5,191,106.30x = 18,307,930,529,913.04
  5. Step 5: Solve for x
    x = 18,307,930,529,913.04/5,191,106.30
  6. Step 6: Final answer
    x = 3,526,787.83

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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.