Home / 2,191,938-3,285,020.16-928,201.92

Finding the Fourth Proportional to 2,191,938, 3,285,020.16 and 928,201.92

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Solution

The fourth proportional to 2,191,938, 3,285,020.16 and 928,201.92 is: 1,391,080.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,938 : 3,285,020.16 = 928,201.92 : x
  2. Step 2: Convert to fraction form
    2,191,938/3,285,020.16 = 928,201.92/x
  3. Step 3: Cross multiply
    2,191,938x = 3,285,020.16 × 928,201.92
  4. Step 4: Simplify right side
    2,191,938x = 3,049,162,019,750.71
  5. Step 5: Solve for x
    x = 3,049,162,019,750.71/2,191,938
  6. Step 6: Final answer
    x = 1,391,080.41

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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.