Finding the Fourth Proportional to 1,511,053.09, 2,085,183.53 and 822,722.86
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Solution
The fourth proportional to 1,511,053.09, 2,085,183.53 and 822,722.86 is: 1,135,319.58
Step by Step Solution
- Step 1: Write the proportion equation
1,511,053.09 : 2,085,183.53 = 822,722.86 : x - Step 2: Convert to fraction form
1,511,053.09/2,085,183.53 = 822,722.86/x - Step 3: Cross multiply
1,511,053.09x = 2,085,183.53 × 822,722.86 - Step 4: Simplify right side
1,511,053.09x = 1,715,528,158,386.19 - Step 5: Solve for x
x = 1,715,528,158,386.19/1,511,053.09 - Step 6: Final answer
x = 1,135,319.58
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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.