Finding the Fourth Proportional to 5,154,453.54, 7,731,631.11 and 3,133,255.62
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Solution
The fourth proportional to 5,154,453.54, 7,731,631.11 and 3,133,255.62 is: 4,699,853.52
Step by Step Solution
- Step 1: Write the proportion equation
5,154,453.54 : 7,731,631.11 = 3,133,255.62 : x - Step 2: Convert to fraction form
5,154,453.54/7,731,631.11 = 3,133,255.62/x - Step 3: Cross multiply
5,154,453.54x = 7,731,631.11 × 3,133,255.62 - Step 4: Simplify right side
5,154,453.54x = 24,225,176,627,174.34 - Step 5: Solve for x
x = 24,225,176,627,174.34/5,154,453.54 - Step 6: Final answer
x = 4,699,853.52
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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.