Home / 2,500,789.78-3,451,093.32-1,354,870.15

Finding the Fourth Proportional to 2,500,789.78, 3,451,093.32 and 1,354,870.15

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Solution

The fourth proportional to 2,500,789.78, 3,451,093.32 and 1,354,870.15 is: 1,869,722.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,500,789.78 : 3,451,093.32 = 1,354,870.15 : x
  2. Step 2: Convert to fraction form
    2,500,789.78/3,451,093.32 = 1,354,870.15/x
  3. Step 3: Cross multiply
    2,500,789.78x = 3,451,093.32 × 1,354,870.15
  4. Step 4: Simplify right side
    2,500,789.78x = 4,675,783,324,132.40
  5. Step 5: Solve for x
    x = 4,675,783,324,132.40/2,500,789.78
  6. Step 6: Final answer
    x = 1,869,722.66

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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.