Finding the Fourth Proportional to 5,529,812.95, 7,631,177.84 and 3,082,579.39
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Solution
The fourth proportional to 5,529,812.95, 7,631,177.84 and 3,082,579.39 is: 4,253,979.61
Step by Step Solution
- Step 1: Write the proportion equation
5,529,812.95 : 7,631,177.84 = 3,082,579.39 : x - Step 2: Convert to fraction form
5,529,812.95/7,631,177.84 = 3,082,579.39/x - Step 3: Cross multiply
5,529,812.95x = 7,631,177.84 × 3,082,579.39 - Step 4: Simplify right side
5,529,812.95x = 23,523,711,531,008.72 - Step 5: Solve for x
x = 23,523,711,531,008.72/5,529,812.95 - Step 6: Final answer
x = 4,253,979.61
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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.