Finding the Fourth Proportional to 5,348,544.20, 7,377,211.86 and 3,312,009.80
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Solution
The fourth proportional to 5,348,544.20, 7,377,211.86 and 3,312,009.80 is: 4,568,233.35
Step by Step Solution
- Step 1: Write the proportion equation
5,348,544.20 : 7,377,211.86 = 3,312,009.80 : x - Step 2: Convert to fraction form
5,348,544.20/7,377,211.86 = 3,312,009.80/x - Step 3: Cross multiply
5,348,544.20x = 7,377,211.86 × 3,312,009.80 - Step 4: Simplify right side
5,348,544.20x = 24,433,397,976,996.23 - Step 5: Solve for x
x = 24,433,397,976,996.23/5,348,544.20 - Step 6: Final answer
x = 4,568,233.35
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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.