Finding the Fourth Proportional to 1,721,881.28, 2,376,163.68 and 957,932.48
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Solution
The fourth proportional to 1,721,881.28, 2,376,163.68 and 957,932.48 is: 1,321,928.75
Step by Step Solution
- Step 1: Write the proportion equation
1,721,881.28 : 2,376,163.68 = 957,932.48 : x - Step 2: Convert to fraction form
1,721,881.28/2,376,163.68 = 957,932.48/x - Step 3: Cross multiply
1,721,881.28x = 2,376,163.68 × 957,932.48 - Step 4: Simplify right side
1,721,881.28x = 2,276,204,366,868.33 - Step 5: Solve for x
x = 2,276,204,366,868.33/1,721,881.28 - Step 6: Final answer
x = 1,321,928.75
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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.