Home / 5,389,433.38-7,439,843.01-3,554,977.78

Finding the Fourth Proportional to 5,389,433.38, 7,439,843.01 and 3,554,977.78

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Solution

The fourth proportional to 5,389,433.38, 7,439,843.01 and 3,554,977.78 is: 4,907,468.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389,433.38 : 7,439,843.01 = 3,554,977.78 : x
  2. Step 2: Convert to fraction form
    5,389,433.38/7,439,843.01 = 3,554,977.78/x
  3. Step 3: Cross multiply
    5,389,433.38x = 7,439,843.01 × 3,554,977.78
  4. Step 4: Simplify right side
    5,389,433.38x = 26,448,476,587,238.32
  5. Step 5: Solve for x
    x = 26,448,476,587,238.32/5,389,433.38
  6. Step 6: Final answer
    x = 4,907,468.88

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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.