Finding the Fourth Proportional to 1,431,792.86, 2,147,235.48 and 484,942.14
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Solution
The fourth proportional to 1,431,792.86, 2,147,235.48 and 484,942.14 is: 727,259.51
Step by Step Solution
- Step 1: Write the proportion equation
1,431,792.86 : 2,147,235.48 = 484,942.14 : x - Step 2: Convert to fraction form
1,431,792.86/2,147,235.48 = 484,942.14/x - Step 3: Cross multiply
1,431,792.86x = 2,147,235.48 × 484,942.14 - Step 4: Simplify right side
1,431,792.86x = 1,041,284,968,755.13 - Step 5: Solve for x
x = 1,041,284,968,755.13/1,431,792.86 - Step 6: Final answer
x = 727,259.51
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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.