Finding the Fourth Proportional to 6,129,373.25, 8,458,534.69 and 3,552,548.72
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Solution
The fourth proportional to 6,129,373.25, 8,458,534.69 and 3,552,548.72 is: 4,902,516.99
Step by Step Solution
- Step 1: Write the proportion equation
6,129,373.25 : 8,458,534.69 = 3,552,548.72 : x - Step 2: Convert to fraction form
6,129,373.25/8,458,534.69 = 3,552,548.72/x - Step 3: Cross multiply
6,129,373.25x = 8,458,534.69 × 3,552,548.72 - Step 4: Simplify right side
6,129,373.25x = 30,049,356,534,861.05 - Step 5: Solve for x
x = 30,049,356,534,861.05/6,129,373.25 - Step 6: Final answer
x = 4,902,516.99
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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.