Finding the Fourth Proportional to 7,160,997.41, 10,741,390.93 and 1,769,647.70
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Solution
The fourth proportional to 7,160,997.41, 10,741,390.93 and 1,769,647.70 is: 2,654,445.56
Step by Step Solution
- Step 1: Write the proportion equation
7,160,997.41 : 10,741,390.93 = 1,769,647.70 : x - Step 2: Convert to fraction form
7,160,997.41/10,741,390.93 = 1,769,647.70/x - Step 3: Cross multiply
7,160,997.41x = 10,741,390.93 × 1,769,647.70 - Step 4: Simplify right side
7,160,997.41x = 19,008,477,783,140.90 - Step 5: Solve for x
x = 19,008,477,783,140.90/7,160,997.41 - Step 6: Final answer
x = 2,654,445.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.