Home / 3,548,514.80-5,322,772.20-1,275,128.30

Finding the Fourth Proportional to 3,548,514.80, 5,322,772.20 and 1,275,128.30

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Solution

The fourth proportional to 3,548,514.80, 5,322,772.20 and 1,275,128.30 is: 1,912,692.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548,514.80 : 5,322,772.20 = 1,275,128.30 : x
  2. Step 2: Convert to fraction form
    3,548,514.80/5,322,772.20 = 1,275,128.30/x
  3. Step 3: Cross multiply
    3,548,514.80x = 5,322,772.20 × 1,275,128.30
  4. Step 4: Simplify right side
    3,548,514.80x = 6,787,217,466,673.26
  5. Step 5: Solve for x
    x = 6,787,217,466,673.26/3,548,514.80
  6. Step 6: Final answer
    x = 1,912,692.45

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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.