Home / 6,378,546.25-8,802,539.05-3,624,799.78

Finding the Fourth Proportional to 6,378,546.25, 8,802,539.05 and 3,624,799.78

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Solution

The fourth proportional to 6,378,546.25, 8,802,539.05 and 3,624,799.78 is: 5,002,306.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378,546.25 : 8,802,539.05 = 3,624,799.78 : x
  2. Step 2: Convert to fraction form
    6,378,546.25/8,802,539.05 = 3,624,799.78/x
  3. Step 3: Cross multiply
    6,378,546.25x = 8,802,539.05 × 3,624,799.78
  4. Step 4: Simplify right side
    6,378,546.25x = 31,907,441,611,881.41
  5. Step 5: Solve for x
    x = 31,907,441,611,881.41/6,378,546.25
  6. Step 6: Final answer
    x = 5,002,306.22

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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.