Finding the Fourth Proportional to 3,455,833.20, 5,181,290.28 and 1,324,114.80
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Solution
The fourth proportional to 3,455,833.20, 5,181,290.28 and 1,324,114.80 is: 1,985,229.83
Step by Step Solution
- Step 1: Write the proportion equation
3,455,833.20 : 5,181,290.28 = 1,324,114.80 : x - Step 2: Convert to fraction form
3,455,833.20/5,181,290.28 = 1,324,114.80/x - Step 3: Cross multiply
3,455,833.20x = 5,181,290.28 × 1,324,114.80 - Step 4: Simplify right side
3,455,833.20x = 6,860,623,142,844.15 - Step 5: Solve for x
x = 6,860,623,142,844.15/3,455,833.20 - Step 6: Final answer
x = 1,985,229.83
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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.