Finding the Fourth Proportional to 1,816,369.80, 2,723,608.66 and 678,195.96
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Solution
The fourth proportional to 1,816,369.80, 2,723,608.66 and 678,195.96 is: 1,016,940.71
Step by Step Solution
- Step 1: Write the proportion equation
1,816,369.80 : 2,723,608.66 = 678,195.96 : x - Step 2: Convert to fraction form
1,816,369.80/2,723,608.66 = 678,195.96/x - Step 3: Cross multiply
1,816,369.80x = 2,723,608.66 × 678,195.96 - Step 4: Simplify right side
1,816,369.80x = 1,847,140,389,833.01 - Step 5: Solve for x
x = 1,847,140,389,833.01/1,816,369.80 - Step 6: Final answer
x = 1,016,940.71
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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.