Finding the Fourth Proportional to 3,279,625.20, 4,914,813.42 and 1,548,648.12
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Solution
The fourth proportional to 3,279,625.20, 4,914,813.42 and 1,548,648.12 is: 2,320,788.53
Step by Step Solution
- Step 1: Write the proportion equation
3,279,625.20 : 4,914,813.42 = 1,548,648.12 : x - Step 2: Convert to fraction form
3,279,625.20/4,914,813.42 = 1,548,648.12/x - Step 3: Cross multiply
3,279,625.20x = 4,914,813.42 × 1,548,648.12 - Step 4: Simplify right side
3,279,625.20x = 7,611,316,563,033.77 - Step 5: Solve for x
x = 7,611,316,563,033.77/3,279,625.20 - Step 6: Final answer
x = 2,320,788.53
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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.