Finding the Fourth Proportional to 7,601,193.80, 11,385,893.10 and 3,561,129.80
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Solution
The fourth proportional to 7,601,193.80, 11,385,893.10 and 3,561,129.80 is: 5,334,246.74
Step by Step Solution
- Step 1: Write the proportion equation
7,601,193.80 : 11,385,893.10 = 3,561,129.80 : x - Step 2: Convert to fraction form
7,601,193.80/11,385,893.10 = 3,561,129.80/x - Step 3: Cross multiply
7,601,193.80x = 11,385,893.10 × 3,561,129.80 - Step 4: Simplify right side
7,601,193.80x = 40,546,643,218,024.38 - Step 5: Solve for x
x = 40,546,643,218,024.38/7,601,193.80 - Step 6: Final answer
x = 5,334,246.74
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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.