Home / 3,585,741.20-5,378,611.80-1,311,261.20

Finding the Fourth Proportional to 3,585,741.20, 5,378,611.80 and 1,311,261.20

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Solution

The fourth proportional to 3,585,741.20, 5,378,611.80 and 1,311,261.20 is: 1,966,891.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585,741.20 : 5,378,611.80 = 1,311,261.20 : x
  2. Step 2: Convert to fraction form
    3,585,741.20/5,378,611.80 = 1,311,261.20/x
  3. Step 3: Cross multiply
    3,585,741.20x = 5,378,611.80 × 1,311,261.20
  4. Step 4: Simplify right side
    3,585,741.20x = 7,052,764,963,202.16
  5. Step 5: Solve for x
    x = 7,052,764,963,202.16/3,585,741.20
  6. Step 6: Final answer
    x = 1,966,891.80

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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.