Finding the Fourth Proportional to 3,290,305.31, 4,540,536.06 and 1,820,268.17
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Solution
The fourth proportional to 3,290,305.31, 4,540,536.06 and 1,820,268.17 is: 2,511,922.90
Step by Step Solution
- Step 1: Write the proportion equation
3,290,305.31 : 4,540,536.06 = 1,820,268.17 : x - Step 2: Convert to fraction form
3,290,305.31/4,540,536.06 = 1,820,268.17/x - Step 3: Cross multiply
3,290,305.31x = 4,540,536.06 × 1,820,268.17 - Step 4: Simplify right side
3,290,305.31x = 8,264,993,264,755.21 - Step 5: Solve for x
x = 8,264,993,264,755.21/3,290,305.31 - Step 6: Final answer
x = 2,511,922.90
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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.