Finding the Fourth Proportional to 7,381,741.20, 11,074,216.68 and 2,264,191.44
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Solution
The fourth proportional to 7,381,741.20, 11,074,216.68 and 2,264,191.44 is: 3,396,779.42
Step by Step Solution
- Step 1: Write the proportion equation
7,381,741.20 : 11,074,216.68 = 2,264,191.44 : x - Step 2: Convert to fraction form
7,381,741.20/11,074,216.68 = 2,264,191.44/x - Step 3: Cross multiply
7,381,741.20x = 11,074,216.68 × 2,264,191.44 - Step 4: Simplify right side
7,381,741.20x = 25,074,146,611,561.22 - Step 5: Solve for x
x = 25,074,146,611,561.22/7,381,741.20 - Step 6: Final answer
x = 3,396,779.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.