Finding the Fourth Proportional to 4,311,175.20, 6,459,764.40 and 2,710,874.40
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Solution
The fourth proportional to 4,311,175.20, 6,459,764.40 and 2,710,874.40 is: 4,061,910.99
Step by Step Solution
- Step 1: Write the proportion equation
4,311,175.20 : 6,459,764.40 = 2,710,874.40 : x - Step 2: Convert to fraction form
4,311,175.20/6,459,764.40 = 2,710,874.40/x - Step 3: Cross multiply
4,311,175.20x = 6,459,764.40 × 2,710,874.40 - Step 4: Simplify right side
4,311,175.20x = 17,511,609,941,991.36 - Step 5: Solve for x
x = 17,511,609,941,991.36/4,311,175.20 - Step 6: Final answer
x = 4,061,910.99
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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.