Finding the Fourth Proportional to 1,541,211.18, 2,126,819.07 and 852,912.06
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Solution
The fourth proportional to 1,541,211.18, 2,126,819.07 and 852,912.06 is: 1,176,989.67
Step by Step Solution
- Step 1: Write the proportion equation
1,541,211.18 : 2,126,819.07 = 852,912.06 : x - Step 2: Convert to fraction form
1,541,211.18/2,126,819.07 = 852,912.06/x - Step 3: Cross multiply
1,541,211.18x = 2,126,819.07 × 852,912.06 - Step 4: Simplify right side
1,541,211.18x = 1,813,989,634,240.98 - Step 5: Solve for x
x = 1,813,989,634,240.98/1,541,211.18 - Step 6: Final answer
x = 1,176,989.67
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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.