Finding the Fourth Proportional to 5,764,236.45, 8,646,354.68 and 3,638,472.45
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Solution
The fourth proportional to 5,764,236.45, 8,646,354.68 and 3,638,472.45 is: 5,457,708.68
Step by Step Solution
- Step 1: Write the proportion equation
5,764,236.45 : 8,646,354.68 = 3,638,472.45 : x - Step 2: Convert to fraction form
5,764,236.45/8,646,354.68 = 3,638,472.45/x - Step 3: Cross multiply
5,764,236.45x = 8,646,354.68 × 3,638,472.45 - Step 4: Simplify right side
5,764,236.45x = 31,459,523,277,916.21 - Step 5: Solve for x
x = 31,459,523,277,916.21/5,764,236.45 - Step 6: Final answer
x = 5,457,708.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.