Finding the Fourth Proportional to 3,378,985.62, 5,068,480.48 and 820,204.28
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Solution
The fourth proportional to 3,378,985.62, 5,068,480.48 and 820,204.28 is: 1,230,306.92
Step by Step Solution
- Step 1: Write the proportion equation
3,378,985.62 : 5,068,480.48 = 820,204.28 : x - Step 2: Convert to fraction form
3,378,985.62/5,068,480.48 = 820,204.28/x - Step 3: Cross multiply
3,378,985.62x = 5,068,480.48 × 820,204.28 - Step 4: Simplify right side
3,378,985.62x = 4,157,189,379,019.99 - Step 5: Solve for x
x = 4,157,189,379,019.99/3,378,985.62 - Step 6: Final answer
x = 1,230,306.92
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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.