Home / 3,575,142.80-5,364,787.80-1,331,507.60

Finding the Fourth Proportional to 3,575,142.80, 5,364,787.80 and 1,331,507.60

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Solution

The fourth proportional to 3,575,142.80, 5,364,787.80 and 1,331,507.60 is: 1,998,033.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,575,142.80 : 5,364,787.80 = 1,331,507.60 : x
  2. Step 2: Convert to fraction form
    3,575,142.80/5,364,787.80 = 1,331,507.60/x
  3. Step 3: Cross multiply
    3,575,142.80x = 5,364,787.80 × 1,331,507.60
  4. Step 4: Simplify right side
    3,575,142.80x = 7,143,255,728,087.28
  5. Step 5: Solve for x
    x = 7,143,255,728,087.28/3,575,142.80
  6. Step 6: Final answer
    x = 1,998,033.68

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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.