Finding the Fourth Proportional to 2,232,156.92, 3,081,032.11 and 1,457,906.12
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Solution
The fourth proportional to 2,232,156.92, 3,081,032.11 and 1,457,906.12 is: 2,012,338.62
Step by Step Solution
- Step 1: Write the proportion equation
2,232,156.92 : 3,081,032.11 = 1,457,906.12 : x - Step 2: Convert to fraction form
2,232,156.92/3,081,032.11 = 1,457,906.12/x - Step 3: Cross multiply
2,232,156.92x = 3,081,032.11 × 1,457,906.12 - Step 4: Simplify right side
2,232,156.92x = 4,491,855,561,589.46 - Step 5: Solve for x
x = 4,491,855,561,589.46/2,232,156.92 - Step 6: Final answer
x = 2,012,338.62
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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.