Home / 5,147,343.14-7,103,311.88-2,855,503.82

Finding the Fourth Proportional to 5,147,343.14, 7,103,311.88 and 2,855,503.82

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Solution

The fourth proportional to 5,147,343.14, 7,103,311.88 and 2,855,503.82 is: 3,940,583.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147,343.14 : 7,103,311.88 = 2,855,503.82 : x
  2. Step 2: Convert to fraction form
    5,147,343.14/7,103,311.88 = 2,855,503.82/x
  3. Step 3: Cross multiply
    5,147,343.14x = 7,103,311.88 × 2,855,503.82
  4. Step 4: Simplify right side
    5,147,343.14x = 20,283,534,211,472.14
  5. Step 5: Solve for x
    x = 20,283,534,211,472.14/5,147,343.14
  6. Step 6: Final answer
    x = 3,940,583.26

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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.