Finding the Fourth Proportional to 6,660,855.82, 9,192,203.94 and 4,082,038.60
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Solution
The fourth proportional to 6,660,855.82, 9,192,203.94 and 4,082,038.60 is: 5,633,349.88
Step by Step Solution
- Step 1: Write the proportion equation
6,660,855.82 : 9,192,203.94 = 4,082,038.60 : x - Step 2: Convert to fraction form
6,660,855.82/9,192,203.94 = 4,082,038.60/x - Step 3: Cross multiply
6,660,855.82x = 9,192,203.94 × 4,082,038.60 - Step 4: Simplify right side
6,660,855.82x = 37,522,931,302,152.09 - Step 5: Solve for x
x = 37,522,931,302,152.09/6,660,855.82 - Step 6: Final answer
x = 5,633,349.88
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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.