Home / 1,949,788.44-2,690,657.60-1,078,600.50

Finding the Fourth Proportional to 1,949,788.44, 2,690,657.60 and 1,078,600.50

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Solution

The fourth proportional to 1,949,788.44, 2,690,657.60 and 1,078,600.50 is: 1,488,440.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949,788.44 : 2,690,657.60 = 1,078,600.50 : x
  2. Step 2: Convert to fraction form
    1,949,788.44/2,690,657.60 = 1,078,600.50/x
  3. Step 3: Cross multiply
    1,949,788.44x = 2,690,657.60 × 1,078,600.50
  4. Step 4: Simplify right side
    1,949,788.44x = 2,902,144,627,295.80
  5. Step 5: Solve for x
    x = 2,902,144,627,295.80/1,949,788.44
  6. Step 6: Final answer
    x = 1,488,440.78

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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.