Finding the Fourth Proportional to 2,114,400.63, 2,917,872.81 and 1,147,530.99
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Solution
The fourth proportional to 2,114,400.63, 2,917,872.81 and 1,147,530.99 is: 1,583,592.73
Step by Step Solution
- Step 1: Write the proportion equation
2,114,400.63 : 2,917,872.81 = 1,147,530.99 : x - Step 2: Convert to fraction form
2,114,400.63/2,917,872.81 = 1,147,530.99/x - Step 3: Cross multiply
2,114,400.63x = 2,917,872.81 × 1,147,530.99 - Step 4: Simplify right side
2,114,400.63x = 3,348,349,474,353.38 - Step 5: Solve for x
x = 3,348,349,474,353.38/2,114,400.63 - Step 6: Final answer
x = 1,583,592.73
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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.