Home / 3,120,261.42-4,305,878.28-1,743,616.44

Finding the Fourth Proportional to 3,120,261.42, 4,305,878.28 and 1,743,616.44

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Solution

The fourth proportional to 3,120,261.42, 4,305,878.28 and 1,743,616.44 is: 2,406,144.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,261.42 : 4,305,878.28 = 1,743,616.44 : x
  2. Step 2: Convert to fraction form
    3,120,261.42/4,305,878.28 = 1,743,616.44/x
  3. Step 3: Cross multiply
    3,120,261.42x = 4,305,878.28 × 1,743,616.44
  4. Step 4: Simplify right side
    3,120,261.42x = 7,507,800,157,646.92
  5. Step 5: Solve for x
    x = 7,507,800,157,646.92/3,120,261.42
  6. Step 6: Final answer
    x = 2,406,144.60

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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.