Finding the Fourth Proportional to 3,689,589.64, 5,531,770.92 and 1,639,124.02
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Solution
The fourth proportional to 3,689,589.64, 5,531,770.92 and 1,639,124.02 is: 2,457,524.95
Step by Step Solution
- Step 1: Write the proportion equation
3,689,589.64 : 5,531,770.92 = 1,639,124.02 : x - Step 2: Convert to fraction form
3,689,589.64/5,531,770.92 = 1,639,124.02/x - Step 3: Cross multiply
3,689,589.64x = 5,531,770.92 × 1,639,124.02 - Step 4: Simplify right side
3,689,589.64x = 9,067,258,588,109.50 - Step 5: Solve for x
x = 9,067,258,588,109.50/3,689,589.64 - Step 6: Final answer
x = 2,457,524.95
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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.