Finding the Fourth Proportional to 3,744,608.41, 5,617,232.42 and 1,315,550.64
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Solution
The fourth proportional to 3,744,608.41, 5,617,232.42 and 1,315,550.64 is: 1,973,438.32
Step by Step Solution
- Step 1: Write the proportion equation
3,744,608.41 : 5,617,232.42 = 1,315,550.64 : x - Step 2: Convert to fraction form
3,744,608.41/5,617,232.42 = 1,315,550.64/x - Step 3: Cross multiply
3,744,608.41x = 5,617,232.42 × 1,315,550.64 - Step 4: Simplify right side
3,744,608.41x = 7,389,753,719,646.62 - Step 5: Solve for x
x = 7,389,753,719,646.62/3,744,608.41 - Step 6: Final answer
x = 1,973,438.32
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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.