Finding the Fourth Proportional to 6,512,452.81, 8,987,484.92 and 3,611,670.82
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Solution
The fourth proportional to 6,512,452.81, 8,987,484.92 and 3,611,670.82 is: 4,984,272.12
Step by Step Solution
- Step 1: Write the proportion equation
6,512,452.81 : 8,987,484.92 = 3,611,670.82 : x - Step 2: Convert to fraction form
6,512,452.81/8,987,484.92 = 3,611,670.82/x - Step 3: Cross multiply
6,512,452.81x = 8,987,484.92 × 3,611,670.82 - Step 4: Simplify right side
6,512,452.81x = 32,459,836,990,226.96 - Step 5: Solve for x
x = 32,459,836,990,226.96/6,512,452.81 - Step 6: Final answer
x = 4,984,272.12
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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.