Home / 2,200,202.76-3,036,591.11-1,220,358.42

Finding the Fourth Proportional to 2,200,202.76, 3,036,591.11 and 1,220,358.42

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Solution

The fourth proportional to 2,200,202.76, 3,036,591.11 and 1,220,358.42 is: 1,684,267.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,200,202.76 : 3,036,591.11 = 1,220,358.42 : x
  2. Step 2: Convert to fraction form
    2,200,202.76/3,036,591.11 = 1,220,358.42/x
  3. Step 3: Cross multiply
    2,200,202.76x = 3,036,591.11 × 1,220,358.42
  4. Step 4: Simplify right side
    2,200,202.76x = 3,705,729,529,185.65
  5. Step 5: Solve for x
    x = 3,705,729,529,185.65/2,200,202.76
  6. Step 6: Final answer
    x = 1,684,267.29

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1.5x scale

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.