Finding the Fourth Proportional to 4,810,624.70, 6,638,663.41 and 2,635,245.77
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Solution
The fourth proportional to 4,810,624.70, 6,638,663.41 and 2,635,245.77 is: 3,636,639.88
Step by Step Solution
- Step 1: Write the proportion equation
4,810,624.70 : 6,638,663.41 = 2,635,245.77 : x - Step 2: Convert to fraction form
4,810,624.70/6,638,663.41 = 2,635,245.77/x - Step 3: Cross multiply
4,810,624.70x = 6,638,663.41 × 2,635,245.77 - Step 4: Simplify right side
4,810,624.70x = 17,494,509,629,874.84 - Step 5: Solve for x
x = 17,494,509,629,874.84/4,810,624.70 - Step 6: Final answer
x = 3,636,639.88
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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.