Home / 2,640,991.43-3,961,642.77-747,574.31

Finding the Fourth Proportional to 2,640,991.43, 3,961,642.77 and 747,574.31

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Solution

The fourth proportional to 2,640,991.43, 3,961,642.77 and 747,574.31 is: 1,121,405.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,991.43 : 3,961,642.77 = 747,574.31 : x
  2. Step 2: Convert to fraction form
    2,640,991.43/3,961,642.77 = 747,574.31/x
  3. Step 3: Cross multiply
    2,640,991.43x = 3,961,642.77 × 747,574.31
  4. Step 4: Simplify right side
    2,640,991.43x = 2,961,622,370,153.35
  5. Step 5: Solve for x
    x = 2,961,622,370,153.35/2,640,991.43
  6. Step 6: Final answer
    x = 1,121,405.52

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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.