Finding the Fourth Proportional to 5,253,935.16, 7,880,902.74 and 4,057,602.42
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Solution
The fourth proportional to 5,253,935.16, 7,880,902.74 and 4,057,602.42 is: 6,086,403.63
Step by Step Solution
- Step 1: Write the proportion equation
5,253,935.16 : 7,880,902.74 = 4,057,602.42 : x - Step 2: Convert to fraction form
5,253,935.16/7,880,902.74 = 4,057,602.42/x - Step 3: Cross multiply
5,253,935.16x = 7,880,902.74 × 4,057,602.42 - Step 4: Simplify right side
5,253,935.16x = 31,977,570,029,608.63 - Step 5: Solve for x
x = 31,977,570,029,608.63/5,253,935.16 - Step 6: Final answer
x = 6,086,403.63
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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.