Finding the Fourth Proportional to 5,645,105.36, 7,790,299.99 and 3,066,804.59
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Solution
The fourth proportional to 5,645,105.36, 7,790,299.99 and 3,066,804.59 is: 4,232,219.99
Step by Step Solution
- Step 1: Write the proportion equation
5,645,105.36 : 7,790,299.99 = 3,066,804.59 : x - Step 2: Convert to fraction form
5,645,105.36/7,790,299.99 = 3,066,804.59/x - Step 3: Cross multiply
5,645,105.36x = 7,790,299.99 × 3,066,804.59 - Step 4: Simplify right side
5,645,105.36x = 23,891,327,737,441.22 - Step 5: Solve for x
x = 23,891,327,737,441.22/5,645,105.36 - Step 6: Final answer
x = 4,232,219.99
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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.