Finding the Fourth Proportional to 1,566,353.54, 2,161,516.92 and 921,809
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Solution
The fourth proportional to 1,566,353.54, 2,161,516.92 and 921,809 is: 1,272,066.43
Step by Step Solution
- Step 1: Write the proportion equation
1,566,353.54 : 2,161,516.92 = 921,809 : x - Step 2: Convert to fraction form
1,566,353.54/2,161,516.92 = 921,809/x - Step 3: Cross multiply
1,566,353.54x = 2,161,516.92 × 921,809 - Step 4: Simplify right side
1,566,353.54x = 1,992,505,750,508.28 - Step 5: Solve for x
x = 1,992,505,750,508.28/1,566,353.54 - Step 6: Final answer
x = 1,272,066.43
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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.