Home / 3,481,209.80-5,221,814.70-3,182,028.20

Finding the Fourth Proportional to 3,481,209.80, 5,221,814.70 and 3,182,028.20

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Solution

The fourth proportional to 3,481,209.80, 5,221,814.70 and 3,182,028.20 is: 4,773,042.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481,209.80 : 5,221,814.70 = 3,182,028.20 : x
  2. Step 2: Convert to fraction form
    3,481,209.80/5,221,814.70 = 3,182,028.20/x
  3. Step 3: Cross multiply
    3,481,209.80x = 5,221,814.70 × 3,182,028.20
  4. Step 4: Simplify right side
    3,481,209.80x = 16,615,961,630,574.54
  5. Step 5: Solve for x
    x = 16,615,961,630,574.54/3,481,209.80
  6. Step 6: Final answer
    x = 4,773,042.30

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Similar ratio
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1.5x scale

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.