Home / 3,257,739.60-4,886,609.40-2,123,998.80

Finding the Fourth Proportional to 3,257,739.60, 4,886,609.40 and 2,123,998.80

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Solution

The fourth proportional to 3,257,739.60, 4,886,609.40 and 2,123,998.80 is: 3,185,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,257,739.60 : 4,886,609.40 = 2,123,998.80 : x
  2. Step 2: Convert to fraction form
    3,257,739.60/4,886,609.40 = 2,123,998.80/x
  3. Step 3: Cross multiply
    3,257,739.60x = 4,886,609.40 × 2,123,998.80
  4. Step 4: Simplify right side
    3,257,739.60x = 10,379,152,501,668.72
  5. Step 5: Solve for x
    x = 10,379,152,501,668.72/3,257,739.60
  6. Step 6: Final answer
    x = 3,185,998.20

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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.