Finding the Fourth Proportional to 5,929,762.36, 8,183,949.60 and 3,754,507.36
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Solution
The fourth proportional to 5,929,762.36, 8,183,949.60 and 3,754,507.36 is: 5,181,775.78
Step by Step Solution
- Step 1: Write the proportion equation
5,929,762.36 : 8,183,949.60 = 3,754,507.36 : x - Step 2: Convert to fraction form
5,929,762.36/8,183,949.60 = 3,754,507.36/x - Step 3: Cross multiply
5,929,762.36x = 8,183,949.60 × 3,754,507.36 - Step 4: Simplify right side
5,929,762.36x = 30,726,699,007,069.05 - Step 5: Solve for x
x = 30,726,699,007,069.05/5,929,762.36 - Step 6: Final answer
x = 5,181,775.78
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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.