Finding the Fourth Proportional to 2,037,612.99, 2,811,846.49 and 1,166,418.81
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Solution
The fourth proportional to 2,037,612.99, 2,811,846.49 and 1,166,418.81 is: 1,609,623.93
Step by Step Solution
- Step 1: Write the proportion equation
2,037,612.99 : 2,811,846.49 = 1,166,418.81 : x - Step 2: Convert to fraction form
2,037,612.99/2,811,846.49 = 1,166,418.81/x - Step 3: Cross multiply
2,037,612.99x = 2,811,846.49 × 1,166,418.81 - Step 4: Simplify right side
2,037,612.99x = 3,279,790,631,623.07 - Step 5: Solve for x
x = 3,279,790,631,623.07/2,037,612.99 - Step 6: Final answer
x = 1,609,623.93
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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.