Finding the Fourth Proportional to 3,256,226.69, 4,493,742.84 and 1,805,835.69
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Solution
The fourth proportional to 3,256,226.69, 4,493,742.84 and 1,805,835.69 is: 2,492,136.45
Step by Step Solution
- Step 1: Write the proportion equation
3,256,226.69 : 4,493,742.84 = 1,805,835.69 : x - Step 2: Convert to fraction form
3,256,226.69/4,493,742.84 = 1,805,835.69/x - Step 3: Cross multiply
3,256,226.69x = 4,493,742.84 × 1,805,835.69 - Step 4: Simplify right side
3,256,226.69x = 8,114,961,202,153.96 - Step 5: Solve for x
x = 8,114,961,202,153.96/3,256,226.69 - Step 6: Final answer
x = 2,492,136.45
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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.