Home / 1,948,648.92-2,689,481.79-1,433,151.15

Finding the Fourth Proportional to 1,948,648.92, 2,689,481.79 and 1,433,151.15

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Solution

The fourth proportional to 1,948,648.92, 2,689,481.79 and 1,433,151.15 is: 1,978,003.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,648.92 : 2,689,481.79 = 1,433,151.15 : x
  2. Step 2: Convert to fraction form
    1,948,648.92/2,689,481.79 = 1,433,151.15/x
  3. Step 3: Cross multiply
    1,948,648.92x = 2,689,481.79 × 1,433,151.15
  4. Step 4: Simplify right side
    1,948,648.92x = 3,854,433,920,242.56
  5. Step 5: Solve for x
    x = 3,854,433,920,242.56/1,948,648.92
  6. Step 6: Final answer
    x = 1,978,003.26

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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.