Finding the Fourth Proportional to 3,213,128.36, 4,816,329.68 and 1,082,476.28
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Solution
The fourth proportional to 3,213,128.36, 4,816,329.68 and 1,082,476.28 is: 1,622,581.50
Step by Step Solution
- Step 1: Write the proportion equation
3,213,128.36 : 4,816,329.68 = 1,082,476.28 : x - Step 2: Convert to fraction form
3,213,128.36/4,816,329.68 = 1,082,476.28/x - Step 3: Cross multiply
3,213,128.36x = 4,816,329.68 × 1,082,476.28 - Step 4: Simplify right side
3,213,128.36x = 5,213,562,635,259.99 - Step 5: Solve for x
x = 5,213,562,635,259.99/3,213,128.36 - Step 6: Final answer
x = 1,622,581.50
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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.