Finding the Fourth Proportional to 7,372,426.44, 11,058,630.11 and 1,981,076.94
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Solution
The fourth proportional to 7,372,426.44, 11,058,630.11 and 1,981,076.94 is: 2,971,612.84
Step by Step Solution
- Step 1: Write the proportion equation
7,372,426.44 : 11,058,630.11 = 1,981,076.94 : x - Step 2: Convert to fraction form
7,372,426.44/11,058,630.11 = 1,981,076.94/x - Step 3: Cross multiply
7,372,426.44x = 11,058,630.11 × 1,981,076.94 - Step 4: Simplify right side
7,372,426.44x = 21,907,997,098,910.66 - Step 5: Solve for x
x = 21,907,997,098,910.66/7,372,426.44 - Step 6: Final answer
x = 2,971,612.84
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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.