Finding the Fourth Proportional to 3,738,006.47, 5,158,451.00 and 2,019,126.99
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Solution
The fourth proportional to 3,738,006.47, 5,158,451.00 and 2,019,126.99 is: 2,786,396.37
Step by Step Solution
- Step 1: Write the proportion equation
3,738,006.47 : 5,158,451.00 = 2,019,126.99 : x - Step 2: Convert to fraction form
3,738,006.47/5,158,451.00 = 2,019,126.99/x - Step 3: Cross multiply
3,738,006.47x = 5,158,451.00 × 2,019,126.99 - Step 4: Simplify right side
3,738,006.47x = 10,415,567,630,596.86 - Step 5: Solve for x
x = 10,415,567,630,596.86/3,738,006.47 - Step 6: Final answer
x = 2,786,396.37
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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.