Finding the Fourth Proportional to 3,642,871.91, 5,463,933.42 and 1,213,762.81
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Solution
The fourth proportional to 3,642,871.91, 5,463,933.42 and 1,213,762.81 is: 1,820,519.45
Step by Step Solution
- Step 1: Write the proportion equation
3,642,871.91 : 5,463,933.42 = 1,213,762.81 : x - Step 2: Convert to fraction form
3,642,871.91/5,463,933.42 = 1,213,762.81/x - Step 3: Cross multiply
3,642,871.91x = 5,463,933.42 × 1,213,762.81 - Step 4: Simplify right side
3,642,871.91x = 6,631,919,181,512.11 - Step 5: Solve for x
x = 6,631,919,181,512.11/3,642,871.91 - Step 6: Final answer
x = 1,820,519.45
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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.