Home / 6,919,817.72-10,381,620.36-3,328,588.76

Finding the Fourth Proportional to 6,919,817.72, 10,381,620.36 and 3,328,588.76

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Solution

The fourth proportional to 6,919,817.72, 10,381,620.36 and 3,328,588.76 is: 4,993,794.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919,817.72 : 10,381,620.36 = 3,328,588.76 : x
  2. Step 2: Convert to fraction form
    6,919,817.72/10,381,620.36 = 3,328,588.76/x
  3. Step 3: Cross multiply
    6,919,817.72x = 10,381,620.36 × 3,328,588.76
  4. Step 4: Simplify right side
    6,919,817.72x = 34,556,144,840,883.15
  5. Step 5: Solve for x
    x = 34,556,144,840,883.15/6,919,817.72
  6. Step 6: Final answer
    x = 4,993,794.09

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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.