Home / 3,800,713.76-5,236,128.72-2,652,768.80

Finding the Fourth Proportional to 3,800,713.76, 5,236,128.72 and 2,652,768.80

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Solution

The fourth proportional to 3,800,713.76, 5,236,128.72 and 2,652,768.80 is: 3,654,639.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,800,713.76 : 5,236,128.72 = 2,652,768.80 : x
  2. Step 2: Convert to fraction form
    3,800,713.76/5,236,128.72 = 2,652,768.80/x
  3. Step 3: Cross multiply
    3,800,713.76x = 5,236,128.72 × 2,652,768.80
  4. Step 4: Simplify right side
    3,800,713.76x = 13,890,238,901,199.93
  5. Step 5: Solve for x
    x = 13,890,238,901,199.93/3,800,713.76
  6. Step 6: Final answer
    x = 3,654,639.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.