Finding the Fourth Proportional to 3,555,081.41, 4,906,151.57 and 2,006,397.19
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Solution
The fourth proportional to 3,555,081.41, 4,906,151.57 and 2,006,397.19 is: 2,768,906.69
Step by Step Solution
- Step 1: Write the proportion equation
3,555,081.41 : 4,906,151.57 = 2,006,397.19 : x - Step 2: Convert to fraction form
3,555,081.41/4,906,151.57 = 2,006,397.19/x - Step 3: Cross multiply
3,555,081.41x = 4,906,151.57 × 2,006,397.19 - Step 4: Simplify right side
3,555,081.41x = 9,843,688,707,313.67 - Step 5: Solve for x
x = 9,843,688,707,313.67/3,555,081.41 - Step 6: Final answer
x = 2,768,906.69
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1.5x scale
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.