Finding the Fourth Proportional to 5,397,894.60, 8,095,545.90 and 3,118,489.80
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Solution
The fourth proportional to 5,397,894.60, 8,095,545.90 and 3,118,489.80 is: 4,676,985.97
Step by Step Solution
- Step 1: Write the proportion equation
5,397,894.60 : 8,095,545.90 = 3,118,489.80 : x - Step 2: Convert to fraction form
5,397,894.60/8,095,545.90 = 3,118,489.80/x - Step 3: Cross multiply
5,397,894.60x = 8,095,545.90 × 3,118,489.80 - Step 4: Simplify right side
5,397,894.60x = 25,245,877,314,581.82 - Step 5: Solve for x
x = 25,245,877,314,581.82/5,397,894.60 - Step 6: Final answer
x = 4,676,985.97
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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.