Finding the Fourth Proportional to 5,515,082.10, 8,272,618.29 and 1,676,935.98
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Solution
The fourth proportional to 5,515,082.10, 8,272,618.29 and 1,676,935.98 is: 2,515,402.49
Step by Step Solution
- Step 1: Write the proportion equation
5,515,082.10 : 8,272,618.29 = 1,676,935.98 : x - Step 2: Convert to fraction form
5,515,082.10/8,272,618.29 = 1,676,935.98/x - Step 3: Cross multiply
5,515,082.10x = 8,272,618.29 × 1,676,935.98 - Step 4: Simplify right side
5,515,082.10x = 13,872,651,259,307.07 - Step 5: Solve for x
x = 13,872,651,259,307.07/5,515,082.10 - Step 6: Final answer
x = 2,515,402.49
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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.