Home / 3,653,700.80-5,481,328.80-1,129,611.20

Finding the Fourth Proportional to 3,653,700.80, 5,481,328.80 and 1,129,611.20

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Solution

The fourth proportional to 3,653,700.80, 5,481,328.80 and 1,129,611.20 is: 1,694,657.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653,700.80 : 5,481,328.80 = 1,129,611.20 : x
  2. Step 2: Convert to fraction form
    3,653,700.80/5,481,328.80 = 1,129,611.20/x
  3. Step 3: Cross multiply
    3,653,700.80x = 5,481,328.80 × 1,129,611.20
  4. Step 4: Simplify right side
    3,653,700.80x = 6,191,770,403,362.56
  5. Step 5: Solve for x
    x = 6,191,770,403,362.56/3,653,700.80
  6. Step 6: Final answer
    x = 1,694,657.21

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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.