Home / 3,986,875.30-5,976,230.55-1,962,004.90

Finding the Fourth Proportional to 3,986,875.30, 5,976,230.55 and 1,962,004.90

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Solution

The fourth proportional to 3,986,875.30, 5,976,230.55 and 1,962,004.90 is: 2,940,998.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,875.30 : 5,976,230.55 = 1,962,004.90 : x
  2. Step 2: Convert to fraction form
    3,986,875.30/5,976,230.55 = 1,962,004.90/x
  3. Step 3: Cross multiply
    3,986,875.30x = 5,976,230.55 × 1,962,004.90
  4. Step 4: Simplify right side
    3,986,875.30x = 11,725,393,622,629.69
  5. Step 5: Solve for x
    x = 11,725,393,622,629.69/3,986,875.30
  6. Step 6: Final answer
    x = 2,940,998.34

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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.