Finding the Fourth Proportional to 5,419,581.75, 8,132,521.91 and 2,427,765.75
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Solution
The fourth proportional to 5,419,581.75, 8,132,521.91 and 2,427,765.75 is: 3,643,059.38
Step by Step Solution
- Step 1: Write the proportion equation
5,419,581.75 : 8,132,521.91 = 2,427,765.75 : x - Step 2: Convert to fraction form
5,419,581.75/8,132,521.91 = 2,427,765.75/x - Step 3: Cross multiply
5,419,581.75x = 8,132,521.91 × 2,427,765.75 - Step 4: Simplify right side
5,419,581.75x = 19,743,858,142,083.75 - Step 5: Solve for x
x = 19,743,858,142,083.75/5,419,581.75 - Step 6: Final answer
x = 3,643,059.38
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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.