Finding the Fourth Proportional to 3,674,517.88, 5,511,420.66 and 1,115,755.31
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Solution
The fourth proportional to 3,674,517.88, 5,511,420.66 and 1,115,755.31 is: 1,673,524.82
Step by Step Solution
- Step 1: Write the proportion equation
3,674,517.88 : 5,511,420.66 = 1,115,755.31 : x - Step 2: Convert to fraction form
3,674,517.88/5,511,420.66 = 1,115,755.31/x - Step 3: Cross multiply
3,674,517.88x = 5,511,420.66 × 1,115,755.31 - Step 4: Simplify right side
3,674,517.88x = 6,149,396,867,038.71 - Step 5: Solve for x
x = 6,149,396,867,038.71/3,674,517.88 - Step 6: Final answer
x = 1,673,524.82
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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.