Finding the Fourth Proportional to 1,816,125.80, 2,723,151.90 and 749,906.60
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Solution
The fourth proportional to 1,816,125.80, 2,723,151.90 and 749,906.60 is: 1,124,431.79
Step by Step Solution
- Step 1: Write the proportion equation
1,816,125.80 : 2,723,151.90 = 749,906.60 : x - Step 2: Convert to fraction form
1,816,125.80/2,723,151.90 = 749,906.60/x - Step 3: Cross multiply
1,816,125.80x = 2,723,151.90 × 749,906.60 - Step 4: Simplify right side
1,816,125.80x = 2,042,109,582,612.54 - Step 5: Solve for x
x = 2,042,109,582,612.54/1,816,125.80 - Step 6: Final answer
x = 1,124,431.79
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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.