Finding the Fourth Proportional to 7,306,502.70, 10,959,754.05 and 3,947,270.70
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Solution
The fourth proportional to 7,306,502.70, 10,959,754.05 and 3,947,270.70 is: 5,920,906.05
Step by Step Solution
- Step 1: Write the proportion equation
7,306,502.70 : 10,959,754.05 = 3,947,270.70 : x - Step 2: Convert to fraction form
7,306,502.70/10,959,754.05 = 3,947,270.70/x - Step 3: Cross multiply
7,306,502.70x = 10,959,754.05 × 3,947,270.70 - Step 4: Simplify right side
7,306,502.70x = 43,261,116,040,771.34 - Step 5: Solve for x
x = 43,261,116,040,771.34/7,306,502.70 - Step 6: Final answer
x = 5,920,906.05
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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.