Finding the Fourth Proportional to 6,512,486.08, 8,987,530.80 and 3,611,704.20
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Solution
The fourth proportional to 6,512,486.08, 8,987,530.80 and 3,611,704.20 is: 4,984,318.18
Step by Step Solution
- Step 1: Write the proportion equation
6,512,486.08 : 8,987,530.80 = 3,611,704.20 : x - Step 2: Convert to fraction form
6,512,486.08/8,987,530.80 = 3,611,704.20/x - Step 3: Cross multiply
6,512,486.08x = 8,987,530.80 × 3,611,704.20 - Step 4: Simplify right side
6,512,486.08x = 32,460,302,737,989.36 - Step 5: Solve for x
x = 32,460,302,737,989.36/6,512,486.08 - Step 6: Final answer
x = 4,984,318.18
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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.