Finding the Fourth Proportional to 3,872,763.87, 5,345,539.63 and 2,583,601.08
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Solution
The fourth proportional to 3,872,763.87, 5,345,539.63 and 2,583,601.08 is: 3,566,120.33
Step by Step Solution
- Step 1: Write the proportion equation
3,872,763.87 : 5,345,539.63 = 2,583,601.08 : x - Step 2: Convert to fraction form
3,872,763.87/5,345,539.63 = 2,583,601.08/x - Step 3: Cross multiply
3,872,763.87x = 5,345,539.63 × 2,583,601.08 - Step 4: Simplify right side
3,872,763.87x = 13,810,741,954,791.80 - Step 5: Solve for x
x = 13,810,741,954,791.80/3,872,763.87 - Step 6: Final answer
x = 3,566,120.33
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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.