Finding the Fourth Proportional to 1,728,539.67, 2,591,979.67 and 816,962.84
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Solution
The fourth proportional to 1,728,539.67, 2,591,979.67 and 816,962.84 is: 1,225,052.05
Step by Step Solution
- Step 1: Write the proportion equation
1,728,539.67 : 2,591,979.67 = 816,962.84 : x - Step 2: Convert to fraction form
1,728,539.67/2,591,979.67 = 816,962.84/x - Step 3: Cross multiply
1,728,539.67x = 2,591,979.67 × 816,962.84 - Step 4: Simplify right side
1,728,539.67x = 2,117,551,065,611.28 - Step 5: Solve for x
x = 2,117,551,065,611.28/1,728,539.67 - Step 6: Final answer
x = 1,225,052.05
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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.