Finding the Fourth Proportional to 3,672,909.70, 5,509,364.55 and 2,659,891.30
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Solution
The fourth proportional to 3,672,909.70, 5,509,364.55 and 2,659,891.30 is: 3,989,836.95
Step by Step Solution
- Step 1: Write the proportion equation
3,672,909.70 : 5,509,364.55 = 2,659,891.30 : x - Step 2: Convert to fraction form
3,672,909.70/5,509,364.55 = 2,659,891.30/x - Step 3: Cross multiply
3,672,909.70x = 5,509,364.55 × 2,659,891.30 - Step 4: Simplify right side
3,672,909.70x = 14,654,310,835,073.41 - Step 5: Solve for x
x = 14,654,310,835,073.41/3,672,909.70 - Step 6: Final answer
x = 3,989,836.95
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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.