Finding the Fourth Proportional to 6,328,855.08, 8,733,861.96 and 3,428,245.92
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Solution
The fourth proportional to 6,328,855.08, 8,733,861.96 and 3,428,245.92 is: 4,731,002.09
Step by Step Solution
- Step 1: Write the proportion equation
6,328,855.08 : 8,733,861.96 = 3,428,245.92 : x - Step 2: Convert to fraction form
6,328,855.08/8,733,861.96 = 3,428,245.92/x - Step 3: Cross multiply
6,328,855.08x = 8,733,861.96 × 3,428,245.92 - Step 4: Simplify right side
6,328,855.08x = 29,941,826,630,213.21 - Step 5: Solve for x
x = 29,941,826,630,213.21/6,328,855.08 - Step 6: Final answer
x = 4,731,002.09
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1.5x scale
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.