Finding the Fourth Proportional to 5,477,260.18, 7,557,960.43 and 3,154,907.97
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Solution
The fourth proportional to 5,477,260.18, 7,557,960.43 and 3,154,907.97 is: 4,353,393.63
Step by Step Solution
- Step 1: Write the proportion equation
5,477,260.18 : 7,557,960.43 = 3,154,907.97 : x - Step 2: Convert to fraction form
5,477,260.18/7,557,960.43 = 3,154,907.97/x - Step 3: Cross multiply
5,477,260.18x = 7,557,960.43 × 3,154,907.97 - Step 4: Simplify right side
5,477,260.18x = 23,844,669,597,551.63 - Step 5: Solve for x
x = 23,844,669,597,551.63/5,477,260.18 - Step 6: Final answer
x = 4,353,393.63
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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.