Finding the Fourth Proportional to 5,573,343.91, 7,691,241.84 and 3,126,085.75
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Solution
The fourth proportional to 5,573,343.91, 7,691,241.84 and 3,126,085.75 is: 4,314,013.61
Step by Step Solution
- Step 1: Write the proportion equation
5,573,343.91 : 7,691,241.84 = 3,126,085.75 : x - Step 2: Convert to fraction form
5,573,343.91/7,691,241.84 = 3,126,085.75/x - Step 3: Cross multiply
5,573,343.91x = 7,691,241.84 × 3,126,085.75 - Step 4: Simplify right side
5,573,343.91x = 24,043,481,477,371.57 - Step 5: Solve for x
x = 24,043,481,477,371.57/5,573,343.91 - Step 6: Final answer
x = 4,314,013.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.