Finding the Fourth Proportional to 5,574,858.23, 7,696,602.36 and 3,511,642.43
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Solution
The fourth proportional to 5,574,858.23, 7,696,602.36 and 3,511,642.43 is: 4,848,143.99
Step by Step Solution
- Step 1: Write the proportion equation
5,574,858.23 : 7,696,602.36 = 3,511,642.43 : x - Step 2: Convert to fraction form
5,574,858.23/7,696,602.36 = 3,511,642.43/x - Step 3: Cross multiply
5,574,858.23x = 7,696,602.36 × 3,511,642.43 - Step 4: Simplify right side
5,574,858.23x = 27,027,715,414,214.14 - Step 5: Solve for x
x = 27,027,715,414,214.14/5,574,858.23 - Step 6: Final answer
x = 4,848,143.99
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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.