Finding the Fourth Proportional to 3,555,082.91, 4,906,153.65 and 2,006,398.68
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Solution
The fourth proportional to 3,555,082.91, 4,906,153.65 and 2,006,398.68 is: 2,768,908.76
Step by Step Solution
- Step 1: Write the proportion equation
3,555,082.91 : 4,906,153.65 = 2,006,398.68 : x - Step 2: Convert to fraction form
3,555,082.91/4,906,153.65 = 2,006,398.68/x - Step 3: Cross multiply
3,555,082.91x = 4,906,153.65 × 2,006,398.68 - Step 4: Simplify right side
3,555,082.91x = 9,843,700,207,237.18 - Step 5: Solve for x
x = 9,843,700,207,237.18/3,555,082.91 - Step 6: Final answer
x = 2,768,908.76
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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.