Finding the Fourth Proportional to 3,416,773.55, 4,715,245.91 and 1,888,979.09
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Solution
The fourth proportional to 3,416,773.55, 4,715,245.91 and 1,888,979.09 is: 2,606,845.55
Step by Step Solution
- Step 1: Write the proportion equation
3,416,773.55 : 4,715,245.91 = 1,888,979.09 : x - Step 2: Convert to fraction form
3,416,773.55/4,715,245.91 = 1,888,979.09/x - Step 3: Cross multiply
3,416,773.55x = 4,715,245.91 × 1,888,979.09 - Step 4: Simplify right side
3,416,773.55x = 8,907,000,928,198.02 - Step 5: Solve for x
x = 8,907,000,928,198.02/3,416,773.55 - Step 6: Final answer
x = 2,606,845.55
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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.