Finding the Fourth Proportional to 1,618,861.14, 2,234,217.33 and 1,346,448.42
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Solution
The fourth proportional to 1,618,861.14, 2,234,217.33 and 1,346,448.42 is: 1,858,255.98
Step by Step Solution
- Step 1: Write the proportion equation
1,618,861.14 : 2,234,217.33 = 1,346,448.42 : x - Step 2: Convert to fraction form
1,618,861.14/2,234,217.33 = 1,346,448.42/x - Step 3: Cross multiply
1,618,861.14x = 2,234,217.33 × 1,346,448.42 - Step 4: Simplify right side
1,618,861.14x = 3,008,258,393,915.12 - Step 5: Solve for x
x = 3,008,258,393,915.12/1,618,861.14 - Step 6: Final answer
x = 1,858,255.98
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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.