Home / 2,052,800.20-3,079,200.30-1,212,992.20

Finding the Fourth Proportional to 2,052,800.20, 3,079,200.30 and 1,212,992.20

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Solution

The fourth proportional to 2,052,800.20, 3,079,200.30 and 1,212,992.20 is: 1,819,488.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,052,800.20 : 3,079,200.30 = 1,212,992.20 : x
  2. Step 2: Convert to fraction form
    2,052,800.20/3,079,200.30 = 1,212,992.20/x
  3. Step 3: Cross multiply
    2,052,800.20x = 3,079,200.30 × 1,212,992.20
  4. Step 4: Simplify right side
    2,052,800.20x = 3,735,045,946,137.66
  5. Step 5: Solve for x
    x = 3,735,045,946,137.66/2,052,800.20
  6. Step 6: Final answer
    x = 1,819,488.30

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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.