Finding the Fourth Proportional to 1,678,717.64, 2,515,969.62 and 1,322,324.12
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Solution
The fourth proportional to 1,678,717.64, 2,515,969.62 and 1,322,324.12 is: 1,981,826.62
Step by Step Solution
- Step 1: Write the proportion equation
1,678,717.64 : 2,515,969.62 = 1,322,324.12 : x - Step 2: Convert to fraction form
1,678,717.64/2,515,969.62 = 1,322,324.12/x - Step 3: Cross multiply
1,678,717.64x = 2,515,969.62 × 1,322,324.12 - Step 4: Simplify right side
1,678,717.64x = 3,326,927,313,713.24 - Step 5: Solve for x
x = 3,326,927,313,713.24/1,678,717.64 - Step 6: Final answer
x = 1,981,826.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.