Finding the Fourth Proportional to 4,917,541.14, 7,376,311.68 and 2,220,379.62
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Solution
The fourth proportional to 4,917,541.14, 7,376,311.68 and 2,220,379.62 is: 3,330,569.42
Step by Step Solution
- Step 1: Write the proportion equation
4,917,541.14 : 7,376,311.68 = 2,220,379.62 : x - Step 2: Convert to fraction form
4,917,541.14/7,376,311.68 = 2,220,379.62/x - Step 3: Cross multiply
4,917,541.14x = 7,376,311.68 × 2,220,379.62 - Step 4: Simplify right side
4,917,541.14x = 16,378,212,125,039.96 - Step 5: Solve for x
x = 16,378,212,125,039.96/4,917,541.14 - Step 6: Final answer
x = 3,330,569.42
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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.