Finding the Fourth Proportional to 5,362,113.36, 7,399,785.60 and 2,914,759.92
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Solution
The fourth proportional to 5,362,113.36, 7,399,785.60 and 2,914,759.92 is: 4,022,406.29
Step by Step Solution
- Step 1: Write the proportion equation
5,362,113.36 : 7,399,785.60 = 2,914,759.92 : x - Step 2: Convert to fraction form
5,362,113.36/7,399,785.60 = 2,914,759.92/x - Step 3: Cross multiply
5,362,113.36x = 7,399,785.60 × 2,914,759.92 - Step 4: Simplify right side
5,362,113.36x = 21,568,598,483,473.15 - Step 5: Solve for x
x = 21,568,598,483,473.15/5,362,113.36 - Step 6: Final answer
x = 4,022,406.29
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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.