Finding the Fourth Proportional to 3,298,033.56, 4,969,514.97 and 2,712,118.68
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Solution
The fourth proportional to 3,298,033.56, 4,969,514.97 and 2,712,118.68 is: 4,086,651.68
Step by Step Solution
- Step 1: Write the proportion equation
3,298,033.56 : 4,969,514.97 = 2,712,118.68 : x - Step 2: Convert to fraction form
3,298,033.56/4,969,514.97 = 2,712,118.68/x - Step 3: Cross multiply
3,298,033.56x = 4,969,514.97 × 2,712,118.68 - Step 4: Simplify right side
3,298,033.56x = 13,477,914,380,676.64 - Step 5: Solve for x
x = 13,477,914,380,676.64/3,298,033.56 - Step 6: Final answer
x = 4,086,651.68
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.