Finding the Fourth Proportional to 5,512,316.35, 8,269,578.24 and 3,086,918.76
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Solution
The fourth proportional to 5,512,316.35, 8,269,578.24 and 3,086,918.76 is: 4,630,996.22
Step by Step Solution
- Step 1: Write the proportion equation
5,512,316.35 : 8,269,578.24 = 3,086,918.76 : x - Step 2: Convert to fraction form
5,512,316.35/8,269,578.24 = 3,086,918.76/x - Step 3: Cross multiply
5,512,316.35x = 8,269,578.24 × 3,086,918.76 - Step 4: Simplify right side
5,512,316.35x = 25,527,516,206,343.78 - Step 5: Solve for x
x = 25,527,516,206,343.78/5,512,316.35 - Step 6: Final answer
x = 4,630,996.22
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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.