Finding the Fourth Proportional to 3,052,653.92, 4,212,451.68 and 1,694,420
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Solution
The fourth proportional to 3,052,653.92, 4,212,451.68 and 1,694,420 is: 2,338,182.63
Step by Step Solution
- Step 1: Write the proportion equation
3,052,653.92 : 4,212,451.68 = 1,694,420 : x - Step 2: Convert to fraction form
3,052,653.92/4,212,451.68 = 1,694,420/x - Step 3: Cross multiply
3,052,653.92x = 4,212,451.68 × 1,694,420 - Step 4: Simplify right side
3,052,653.92x = 7,137,662,375,625.60 - Step 5: Solve for x
x = 7,137,662,375,625.60/3,052,653.92 - Step 6: Final answer
x = 2,338,182.63
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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.