Home / 3,079,975.20-4,619,962.80-1,282,261.20

Finding the Fourth Proportional to 3,079,975.20, 4,619,962.80 and 1,282,261.20

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Solution

The fourth proportional to 3,079,975.20, 4,619,962.80 and 1,282,261.20 is: 1,923,391.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079,975.20 : 4,619,962.80 = 1,282,261.20 : x
  2. Step 2: Convert to fraction form
    3,079,975.20/4,619,962.80 = 1,282,261.20/x
  3. Step 3: Cross multiply
    3,079,975.20x = 4,619,962.80 × 1,282,261.20
  4. Step 4: Simplify right side
    3,079,975.20x = 5,923,999,043,883.36
  5. Step 5: Solve for x
    x = 5,923,999,043,883.36/3,079,975.20
  6. Step 6: Final answer
    x = 1,923,391.80

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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.