Home / 3,886,251.40-5,826,266.70-1,640,542.60

Finding the Fourth Proportional to 3,886,251.40, 5,826,266.70 and 1,640,542.60

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Solution

The fourth proportional to 3,886,251.40, 5,826,266.70 and 1,640,542.60 is: 2,459,500.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,251.40 : 5,826,266.70 = 1,640,542.60 : x
  2. Step 2: Convert to fraction form
    3,886,251.40/5,826,266.70 = 1,640,542.60/x
  3. Step 3: Cross multiply
    3,886,251.40x = 5,826,266.70 × 1,640,542.60
  4. Step 4: Simplify right side
    3,886,251.40x = 9,558,238,720,311.42
  5. Step 5: Solve for x
    x = 9,558,238,720,311.42/3,886,251.40
  6. Step 6: Final answer
    x = 2,459,500.88

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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.