Finding the Fourth Proportional to 3,616,842.26, 4,995,384.79 and 2,381,972.74
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Solution
The fourth proportional to 3,616,842.26, 4,995,384.79 and 2,381,972.74 is: 3,289,850.52
Step by Step Solution
- Step 1: Write the proportion equation
3,616,842.26 : 4,995,384.79 = 2,381,972.74 : x - Step 2: Convert to fraction form
3,616,842.26/4,995,384.79 = 2,381,972.74/x - Step 3: Cross multiply
3,616,842.26x = 4,995,384.79 × 2,381,972.74 - Step 4: Simplify right side
3,616,842.26x = 11,898,870,377,147.23 - Step 5: Solve for x
x = 11,898,870,377,147.23/3,616,842.26 - Step 6: Final answer
x = 3,289,850.52
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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.