Home / 2,200,529.70-3,300,794.55-2,120,813.55

Finding the Fourth Proportional to 2,200,529.70, 3,300,794.55 and 2,120,813.55

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Solution

The fourth proportional to 2,200,529.70, 3,300,794.55 and 2,120,813.55 is: 3,181,220.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,200,529.70 : 3,300,794.55 = 2,120,813.55 : x
  2. Step 2: Convert to fraction form
    2,200,529.70/3,300,794.55 = 2,120,813.55/x
  3. Step 3: Cross multiply
    2,200,529.70x = 3,300,794.55 × 2,120,813.55
  4. Step 4: Simplify right side
    2,200,529.70x = 7,000,369,807,406.15
  5. Step 5: Solve for x
    x = 7,000,369,807,406.15/2,200,529.70
  6. Step 6: Final answer
    x = 3,181,220.33

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Double scale
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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.