Home / 3,780,940.80-5,669,452.80-1,121,203.20

Finding the Fourth Proportional to 3,780,940.80, 5,669,452.80 and 1,121,203.20

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Solution

The fourth proportional to 3,780,940.80, 5,669,452.80 and 1,121,203.20 is: 1,681,224.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780,940.80 : 5,669,452.80 = 1,121,203.20 : x
  2. Step 2: Convert to fraction form
    3,780,940.80/5,669,452.80 = 1,121,203.20/x
  3. Step 3: Cross multiply
    3,780,940.80x = 5,669,452.80 × 1,121,203.20
  4. Step 4: Simplify right side
    3,780,940.80x = 6,356,608,621,608.96
  5. Step 5: Solve for x
    x = 6,356,608,621,608.96/3,780,940.80
  6. Step 6: Final answer
    x = 1,681,224.05

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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.