Finding the Fourth Proportional to 3,572,183.48, 4,929,593.49 and 1,940,577.80
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Solution
The fourth proportional to 3,572,183.48, 4,929,593.49 and 1,940,577.80 is: 2,677,986.65
Step by Step Solution
- Step 1: Write the proportion equation
3,572,183.48 : 4,929,593.49 = 1,940,577.80 : x - Step 2: Convert to fraction form
3,572,183.48/4,929,593.49 = 1,940,577.80/x - Step 3: Cross multiply
3,572,183.48x = 4,929,593.49 × 1,940,577.80 - Step 4: Simplify right side
3,572,183.48x = 9,566,259,665,070.56 - Step 5: Solve for x
x = 9,566,259,665,070.56/3,572,183.48 - Step 6: Final answer
x = 2,677,986.65
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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.