Finding the Fourth Proportional to 4,190,988.44, 6,314,487.62 and 3,786,650.48
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Solution
The fourth proportional to 4,190,988.44, 6,314,487.62 and 3,786,650.48 is: 5,705,278.82
Step by Step Solution
- Step 1: Write the proportion equation
4,190,988.44 : 6,314,487.62 = 3,786,650.48 : x - Step 2: Convert to fraction form
4,190,988.44/6,314,487.62 = 3,786,650.48/x - Step 3: Cross multiply
4,190,988.44x = 6,314,487.62 × 3,786,650.48 - Step 4: Simplify right side
4,190,988.44x = 23,910,757,577,227.06 - Step 5: Solve for x
x = 23,910,757,577,227.06/4,190,988.44 - Step 6: Final answer
x = 5,705,278.82
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.