Home / 5,146,201.88-7,102,608.96-2,855,100.68

Finding the Fourth Proportional to 5,146,201.88, 7,102,608.96 and 2,855,100.68

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Solution

The fourth proportional to 5,146,201.88, 7,102,608.96 and 2,855,100.68 is: 3,940,510.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146,201.88 : 7,102,608.96 = 2,855,100.68 : x
  2. Step 2: Convert to fraction form
    5,146,201.88/7,102,608.96 = 2,855,100.68/x
  3. Step 3: Cross multiply
    5,146,201.88x = 7,102,608.96 × 2,855,100.68
  4. Step 4: Simplify right side
    5,146,201.88x = 20,278,663,671,470.09
  5. Step 5: Solve for x
    x = 20,278,663,671,470.09/5,146,201.88
  6. Step 6: Final answer
    x = 3,940,510.72

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Double scale
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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.