Home / 3,109,093.80-4,663,640.70-2,205,644.10

Finding the Fourth Proportional to 3,109,093.80, 4,663,640.70 and 2,205,644.10

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Solution

The fourth proportional to 3,109,093.80, 4,663,640.70 and 2,205,644.10 is: 3,308,466.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,093.80 : 4,663,640.70 = 2,205,644.10 : x
  2. Step 2: Convert to fraction form
    3,109,093.80/4,663,640.70 = 2,205,644.10/x
  3. Step 3: Cross multiply
    3,109,093.80x = 4,663,640.70 × 2,205,644.10
  4. Step 4: Simplify right side
    3,109,093.80x = 10,286,331,594,474.87
  5. Step 5: Solve for x
    x = 10,286,331,594,474.87/3,109,093.80
  6. Step 6: Final answer
    x = 3,308,466.15

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Double scale
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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.