Finding the Fourth Proportional to 1,987,873.92, 2,743,297.92 and 1,082,455.68
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Solution
The fourth proportional to 1,987,873.92, 2,743,297.92 and 1,082,455.68 is: 1,493,806.21
Step by Step Solution
- Step 1: Write the proportion equation
1,987,873.92 : 2,743,297.92 = 1,082,455.68 : x - Step 2: Convert to fraction form
1,987,873.92/2,743,297.92 = 1,082,455.68/x - Step 3: Cross multiply
1,987,873.92x = 2,743,297.92 × 1,082,455.68 - Step 4: Simplify right side
1,987,873.92x = 2,969,498,415,436.19 - Step 5: Solve for x
x = 2,969,498,415,436.19/1,987,873.92 - Step 6: Final answer
x = 1,493,806.21
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.