Finding the Fourth Proportional to 5,418,019.94, 8,125,786.26 and 3,230,208.63
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Solution
The fourth proportional to 5,418,019.94, 8,125,786.26 and 3,230,208.63 is: 4,844,571.48
Step by Step Solution
- Step 1: Write the proportion equation
5,418,019.94 : 8,125,786.26 = 3,230,208.63 : x - Step 2: Convert to fraction form
5,418,019.94/8,125,786.26 = 3,230,208.63/x - Step 3: Cross multiply
5,418,019.94x = 8,125,786.26 × 3,230,208.63 - Step 4: Simplify right side
5,418,019.94x = 26,247,984,902,587.42 - Step 5: Solve for x
x = 26,247,984,902,587.42/5,418,019.94 - Step 6: Final answer
x = 4,844,571.48
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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.