Finding the Fourth Proportional to 5,204,945.68, 7,183,049.55 and 2,881,838.25
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Solution
The fourth proportional to 5,204,945.68, 7,183,049.55 and 2,881,838.25 is: 3,977,061.09
Step by Step Solution
- Step 1: Write the proportion equation
5,204,945.68 : 7,183,049.55 = 2,881,838.25 : x - Step 2: Convert to fraction form
5,204,945.68/7,183,049.55 = 2,881,838.25/x - Step 3: Cross multiply
5,204,945.68x = 7,183,049.55 × 2,881,838.25 - Step 4: Simplify right side
5,204,945.68x = 20,700,386,944,835.29 - Step 5: Solve for x
x = 20,700,386,944,835.29/5,204,945.68 - Step 6: Final answer
x = 3,977,061.09
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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.