Finding the Fourth Proportional to 4,196,438.64, 5,790,571.58 and 2,647,118.62
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Solution
The fourth proportional to 4,196,438.64, 5,790,571.58 and 2,647,118.62 is: 3,652,699.63
Step by Step Solution
- Step 1: Write the proportion equation
4,196,438.64 : 5,790,571.58 = 2,647,118.62 : x - Step 2: Convert to fraction form
4,196,438.64/5,790,571.58 = 2,647,118.62/x - Step 3: Cross multiply
4,196,438.64x = 5,790,571.58 × 2,647,118.62 - Step 4: Simplify right side
4,196,438.64x = 15,328,329,849,860.82 - Step 5: Solve for x
x = 15,328,329,849,860.82/4,196,438.64 - Step 6: Final answer
x = 3,652,699.63
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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.