Home / 2,189,863.70-3,000,063.23-2,107,990.92

Finding the Fourth Proportional to 2,189,863.70, 3,000,063.23 and 2,107,990.92

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Solution

The fourth proportional to 2,189,863.70, 3,000,063.23 and 2,107,990.92 is: 2,887,899.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189,863.70 : 3,000,063.23 = 2,107,990.92 : x
  2. Step 2: Convert to fraction form
    2,189,863.70/3,000,063.23 = 2,107,990.92/x
  3. Step 3: Cross multiply
    2,189,863.70x = 3,000,063.23 × 2,107,990.92
  4. Step 4: Simplify right side
    2,189,863.70x = 6,324,106,037,725.92
  5. Step 5: Solve for x
    x = 6,324,106,037,725.92/2,189,863.70
  6. Step 6: Final answer
    x = 2,887,899.39

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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 (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.