Finding the Fourth Proportional to 6,636,843.36, 9,159,529.68 and 4,060,236.96
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Solution
The fourth proportional to 6,636,843.36, 9,159,529.68 and 4,060,236.96 is: 5,603,546.58
Step by Step Solution
- Step 1: Write the proportion equation
6,636,843.36 : 9,159,529.68 = 4,060,236.96 : x - Step 2: Convert to fraction form
6,636,843.36/9,159,529.68 = 4,060,236.96/x - Step 3: Cross multiply
6,636,843.36x = 9,159,529.68 × 4,060,236.96 - Step 4: Simplify right side
6,636,843.36x = 37,189,860,942,952.97 - Step 5: Solve for x
x = 37,189,860,942,952.97/6,636,843.36 - Step 6: Final answer
x = 5,603,546.58
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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.