Home / 2,601,000.20-3,901,500.30-1,644,406.40

Finding the Fourth Proportional to 2,601,000.20, 3,901,500.30 and 1,644,406.40

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Solution

The fourth proportional to 2,601,000.20, 3,901,500.30 and 1,644,406.40 is: 2,466,609.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,601,000.20 : 3,901,500.30 = 1,644,406.40 : x
  2. Step 2: Convert to fraction form
    2,601,000.20/3,901,500.30 = 1,644,406.40/x
  3. Step 3: Cross multiply
    2,601,000.20x = 3,901,500.30 × 1,644,406.40
  4. Step 4: Simplify right side
    2,601,000.20x = 6,415,652,062,921.92
  5. Step 5: Solve for x
    x = 6,415,652,062,921.92/2,601,000.20
  6. Step 6: Final answer
    x = 2,466,609.60

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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.