Finding the Fourth Proportional to 3,993,368.99, 5,511,287.04 and 2,317,321.34
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Solution
The fourth proportional to 3,993,368.99, 5,511,287.04 and 2,317,321.34 is: 3,198,157.52
Step by Step Solution
- Step 1: Write the proportion equation
3,993,368.99 : 5,511,287.04 = 2,317,321.34 : x - Step 2: Convert to fraction form
3,993,368.99/5,511,287.04 = 2,317,321.34/x - Step 3: Cross multiply
3,993,368.99x = 5,511,287.04 × 2,317,321.34 - Step 4: Simplify right side
3,993,368.99x = 12,771,423,068,657.43 - Step 5: Solve for x
x = 12,771,423,068,657.43/3,993,368.99 - Step 6: Final answer
x = 3,198,157.52
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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.