Finding the Fourth Proportional to 3,746,476.80, 5,619,706.88 and 2,894,785.92
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Solution
The fourth proportional to 3,746,476.80, 5,619,706.88 and 2,894,785.92 is: 4,342,172.45
Step by Step Solution
- Step 1: Write the proportion equation
3,746,476.80 : 5,619,706.88 = 2,894,785.92 : x - Step 2: Convert to fraction form
3,746,476.80/5,619,706.88 = 2,894,785.92/x - Step 3: Cross multiply
3,746,476.80x = 5,619,706.88 × 2,894,785.92 - Step 4: Simplify right side
3,746,476.80x = 16,267,848,350,751.13 - Step 5: Solve for x
x = 16,267,848,350,751.13/3,746,476.80 - Step 6: Final answer
x = 4,342,172.45
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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.