Finding the Fourth Proportional to 6,691,623.84, 9,234,524.88 and 3,635,889.12
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Solution
The fourth proportional to 6,691,623.84, 9,234,524.88 and 3,635,889.12 is: 5,017,572.62
Step by Step Solution
- Step 1: Write the proportion equation
6,691,623.84 : 9,234,524.88 = 3,635,889.12 : x - Step 2: Convert to fraction form
6,691,623.84/9,234,524.88 = 3,635,889.12/x - Step 3: Cross multiply
6,691,623.84x = 9,234,524.88 × 3,635,889.12 - Step 4: Simplify right side
6,691,623.84x = 33,575,708,539,561.31 - Step 5: Solve for x
x = 33,575,708,539,561.31/6,691,623.84 - Step 6: Final answer
x = 5,017,572.62
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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.