Home / 2,628,342.60-3,936,293.10-1,782,313.80

Finding the Fourth Proportional to 2,628,342.60, 3,936,293.10 and 1,782,313.80

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Solution

The fourth proportional to 2,628,342.60, 3,936,293.10 and 1,782,313.80 is: 2,669,252.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628,342.60 : 3,936,293.10 = 1,782,313.80 : x
  2. Step 2: Convert to fraction form
    2,628,342.60/3,936,293.10 = 1,782,313.80/x
  3. Step 3: Cross multiply
    2,628,342.60x = 3,936,293.10 × 1,782,313.80
  4. Step 4: Simplify right side
    2,628,342.60x = 7,015,709,512,974.78
  5. Step 5: Solve for x
    x = 7,015,709,512,974.78/2,628,342.60
  6. Step 6: Final answer
    x = 2,669,252.29

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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.