Home / 2,629,039.80-3,945,114.90-1,917,276.60

Finding the Fourth Proportional to 2,629,039.80, 3,945,114.90 and 1,917,276.60

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Solution

The fourth proportional to 2,629,039.80, 3,945,114.90 and 1,917,276.60 is: 2,877,049.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629,039.80 : 3,945,114.90 = 1,917,276.60 : x
  2. Step 2: Convert to fraction form
    2,629,039.80/3,945,114.90 = 1,917,276.60/x
  3. Step 3: Cross multiply
    2,629,039.80x = 3,945,114.90 × 1,917,276.60
  4. Step 4: Simplify right side
    2,629,039.80x = 7,563,876,482,081.34
  5. Step 5: Solve for x
    x = 7,563,876,482,081.34/2,629,039.80
  6. Step 6: Final answer
    x = 2,877,049.06

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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.