Finding the Fourth Proportional to 4,748,245.92, 7,129,483.92 and 4,110,516.72
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Solution
The fourth proportional to 4,748,245.92, 7,129,483.92 and 4,110,516.72 is: 6,171,934.51
Step by Step Solution
- Step 1: Write the proportion equation
4,748,245.92 : 7,129,483.92 = 4,110,516.72 : x - Step 2: Convert to fraction form
4,748,245.92/7,129,483.92 = 4,110,516.72/x - Step 3: Cross multiply
4,748,245.92x = 7,129,483.92 × 4,110,516.72 - Step 4: Simplify right side
4,748,245.92x = 29,305,862,858,131.14 - Step 5: Solve for x
x = 29,305,862,858,131.14/4,748,245.92 - Step 6: Final answer
x = 6,171,934.51
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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.