Finding the Fourth Proportional to 1,324,639.32, 1,986,977.64 and 378,010.14
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Solution
The fourth proportional to 1,324,639.32, 1,986,977.64 and 378,010.14 is: 567,020.53
Step by Step Solution
- Step 1: Write the proportion equation
1,324,639.32 : 1,986,977.64 = 378,010.14 : x - Step 2: Convert to fraction form
1,324,639.32/1,986,977.64 = 378,010.14/x - Step 3: Cross multiply
1,324,639.32x = 1,986,977.64 × 378,010.14 - Step 4: Simplify right side
1,324,639.32x = 751,097,695,873.27 - Step 5: Solve for x
x = 751,097,695,873.27/1,324,639.32 - Step 6: Final answer
x = 567,020.53
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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.