Home / 3,622,176.90-5,436,764.55-2,205,000.90

Finding the Fourth Proportional to 3,622,176.90, 5,436,764.55 and 2,205,000.90

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Solution

The fourth proportional to 3,622,176.90, 5,436,764.55 and 2,205,000.90 is: 3,309,631.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622,176.90 : 5,436,764.55 = 2,205,000.90 : x
  2. Step 2: Convert to fraction form
    3,622,176.90/5,436,764.55 = 2,205,000.90/x
  3. Step 3: Cross multiply
    3,622,176.90x = 5,436,764.55 × 2,205,000.90
  4. Step 4: Simplify right side
    3,622,176.90x = 11,988,070,725,838.09
  5. Step 5: Solve for x
    x = 11,988,070,725,838.09/3,622,176.90
  6. Step 6: Final answer
    x = 3,309,631.49

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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.