Home / 1,964,360.88-2,945,949.12-1,290,414.96

Finding the Fourth Proportional to 1,964,360.88, 2,945,949.12 and 1,290,414.96

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Solution

The fourth proportional to 1,964,360.88, 2,945,949.12 and 1,290,414.96 is: 1,935,233.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964,360.88 : 2,945,949.12 = 1,290,414.96 : x
  2. Step 2: Convert to fraction form
    1,964,360.88/2,945,949.12 = 1,290,414.96/x
  3. Step 3: Cross multiply
    1,964,360.88x = 2,945,949.12 × 1,290,414.96
  4. Step 4: Simplify right side
    1,964,360.88x = 3,801,496,815,846.84
  5. Step 5: Solve for x
    x = 3,801,496,815,846.84/1,964,360.88
  6. Step 6: Final answer
    x = 1,935,233.42

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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.