Finding the Fourth Proportional to 6,624,915.92, 9,149,354.04 and 5,902,751.48
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Solution
The fourth proportional to 6,624,915.92, 9,149,354.04 and 5,902,751.48 is: 8,152,007.32
Step by Step Solution
- Step 1: Write the proportion equation
6,624,915.92 : 9,149,354.04 = 5,902,751.48 : x - Step 2: Convert to fraction form
6,624,915.92/9,149,354.04 = 5,902,751.48/x - Step 3: Cross multiply
6,624,915.92x = 9,149,354.04 × 5,902,751.48 - Step 4: Simplify right side
6,624,915.92x = 54,006,363,100,653.98 - Step 5: Solve for x
x = 54,006,363,100,653.98/6,624,915.92 - Step 6: Final answer
x = 8,152,007.32
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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.