Home / 3,478,481.38-4,800,353.79-2,101,633.66

Finding the Fourth Proportional to 3,478,481.38, 4,800,353.79 and 2,101,633.66

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Solution

The fourth proportional to 3,478,481.38, 4,800,353.79 and 2,101,633.66 is: 2,900,284.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,481.38 : 4,800,353.79 = 2,101,633.66 : x
  2. Step 2: Convert to fraction form
    3,478,481.38/4,800,353.79 = 2,101,633.66/x
  3. Step 3: Cross multiply
    3,478,481.38x = 4,800,353.79 × 2,101,633.66
  4. Step 4: Simplify right side
    3,478,481.38x = 10,088,585,104,972.57
  5. Step 5: Solve for x
    x = 10,088,585,104,972.57/3,478,481.38
  6. Step 6: Final answer
    x = 2,900,284.35

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1.5x scale

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.