Finding the Fourth Proportional to 4,971,224.70, 6,860,224.98 and 2,795,767.20
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Solution
The fourth proportional to 4,971,224.70, 6,860,224.98 and 2,795,767.20 is: 3,858,122.12
Step by Step Solution
- Step 1: Write the proportion equation
4,971,224.70 : 6,860,224.98 = 2,795,767.20 : x - Step 2: Convert to fraction form
4,971,224.70/6,860,224.98 = 2,795,767.20/x - Step 3: Cross multiply
4,971,224.70x = 6,860,224.98 × 2,795,767.20 - Step 4: Simplify right side
4,971,224.70x = 19,179,591,983,704.66 - Step 5: Solve for x
x = 19,179,591,983,704.66/4,971,224.70 - Step 6: Final answer
x = 3,858,122.12
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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.