Finding the Fourth Proportional to 3,204,991.97, 4,422,720.92 and 1,754,409.54
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Solution
The fourth proportional to 3,204,991.97, 4,422,720.92 and 1,754,409.54 is: 2,420,993.20
Step by Step Solution
- Step 1: Write the proportion equation
3,204,991.97 : 4,422,720.92 = 1,754,409.54 : x - Step 2: Convert to fraction form
3,204,991.97/4,422,720.92 = 1,754,409.54/x - Step 3: Cross multiply
3,204,991.97x = 4,422,720.92 × 1,754,409.54 - Step 4: Simplify right side
3,204,991.97x = 7,759,263,766,033.53 - Step 5: Solve for x
x = 7,759,263,766,033.53/3,204,991.97 - Step 6: Final answer
x = 2,420,993.20
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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.