Finding the Fourth Proportional to 1,729,378.31, 2,387,538.22 and 1,149,387.96
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Solution
The fourth proportional to 1,729,378.31, 2,387,538.22 and 1,149,387.96 is: 1,586,817.46
Step by Step Solution
- Step 1: Write the proportion equation
1,729,378.31 : 2,387,538.22 = 1,149,387.96 : x - Step 2: Convert to fraction form
1,729,378.31/2,387,538.22 = 1,149,387.96/x - Step 3: Cross multiply
1,729,378.31x = 2,387,538.22 × 1,149,387.96 - Step 4: Simplify right side
1,729,378.31x = 2,744,207,694,497.83 - Step 5: Solve for x
x = 2,744,207,694,497.83/1,729,378.31 - Step 6: Final answer
x = 1,586,817.46
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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.