Finding the Fourth Proportional to 5,733,518.94, 7,912,153.80 and 3,119,933.90
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Solution
The fourth proportional to 5,733,518.94, 7,912,153.80 and 3,119,933.90 is: 4,305,453.09
Step by Step Solution
- Step 1: Write the proportion equation
5,733,518.94 : 7,912,153.80 = 3,119,933.90 : x - Step 2: Convert to fraction form
5,733,518.94/7,912,153.80 = 3,119,933.90/x - Step 3: Cross multiply
5,733,518.94x = 7,912,153.80 × 3,119,933.90 - Step 4: Simplify right side
5,733,518.94x = 24,685,396,862,633.82 - Step 5: Solve for x
x = 24,685,396,862,633.82/5,733,518.94 - Step 6: Final answer
x = 4,305,453.09
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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.