Home / 3,419,371.82-5,129,056.69-1,288,957.71

Finding the Fourth Proportional to 3,419,371.82, 5,129,056.69 and 1,288,957.71

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Solution

The fourth proportional to 3,419,371.82, 5,129,056.69 and 1,288,957.71 is: 1,933,436.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419,371.82 : 5,129,056.69 = 1,288,957.71 : x
  2. Step 2: Convert to fraction form
    3,419,371.82/5,129,056.69 = 1,288,957.71/x
  3. Step 3: Cross multiply
    3,419,371.82x = 5,129,056.69 × 1,288,957.71
  4. Step 4: Simplify right side
    3,419,371.82x = 6,611,137,152,763.20
  5. Step 5: Solve for x
    x = 6,611,137,152,763.20/3,419,371.82
  6. Step 6: Final answer
    x = 1,933,436.17

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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.