Finding the Fourth Proportional to 5,228,837.12, 7,844,516.62 and 1,816,627.09
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Solution
The fourth proportional to 5,228,837.12, 7,844,516.62 and 1,816,627.09 is: 2,725,378.72
Step by Step Solution
- Step 1: Write the proportion equation
5,228,837.12 : 7,844,516.62 = 1,816,627.09 : x - Step 2: Convert to fraction form
5,228,837.12/7,844,516.62 = 1,816,627.09/x - Step 3: Cross multiply
5,228,837.12x = 7,844,516.62 × 1,816,627.09 - Step 4: Simplify right side
5,228,837.12x = 14,250,561,399,847.24 - Step 5: Solve for x
x = 14,250,561,399,847.24/5,228,837.12 - Step 6: Final answer
x = 2,725,378.72
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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.