Finding the Fourth Proportional to 5,106,891.68, 7,661,458.96 and 1,512,940.08
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Solution
The fourth proportional to 5,106,891.68, 7,661,458.96 and 1,512,940.08 is: 2,269,742.35
Step by Step Solution
- Step 1: Write the proportion equation
5,106,891.68 : 7,661,458.96 = 1,512,940.08 : x - Step 2: Convert to fraction form
5,106,891.68/7,661,458.96 = 1,512,940.08/x - Step 3: Cross multiply
5,106,891.68x = 7,661,458.96 × 1,512,940.08 - Step 4: Simplify right side
5,106,891.68x = 11,591,328,331,859.12 - Step 5: Solve for x
x = 11,591,328,331,859.12/5,106,891.68 - Step 6: Final answer
x = 2,269,742.35
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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.