Home / 3,653,701.80-5,481,330.30-1,129,612.20

Finding the Fourth Proportional to 3,653,701.80, 5,481,330.30 and 1,129,612.20

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Solution

The fourth proportional to 3,653,701.80, 5,481,330.30 and 1,129,612.20 is: 1,694,658.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653,701.80 : 5,481,330.30 = 1,129,612.20 : x
  2. Step 2: Convert to fraction form
    3,653,701.80/5,481,330.30 = 1,129,612.20/x
  3. Step 3: Cross multiply
    3,653,701.80x = 5,481,330.30 × 1,129,612.20
  4. Step 4: Simplify right side
    3,653,701.80x = 6,191,777,579,109.66
  5. Step 5: Solve for x
    x = 6,191,777,579,109.66/3,653,701.80
  6. Step 6: Final answer
    x = 1,694,658.71

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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.