Finding the Fourth Proportional to 1,378,657.22, 1,901,770.41 and 827,230.39
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Solution
The fourth proportional to 1,378,657.22, 1,901,770.41 and 827,230.39 is: 1,141,111.99
Step by Step Solution
- Step 1: Write the proportion equation
1,378,657.22 : 1,901,770.41 = 827,230.39 : x - Step 2: Convert to fraction form
1,378,657.22/1,901,770.41 = 827,230.39/x - Step 3: Cross multiply
1,378,657.22x = 1,901,770.41 × 827,230.39 - Step 4: Simplify right side
1,378,657.22x = 1,573,202,276,302.45 - Step 5: Solve for x
x = 1,573,202,276,302.45/1,378,657.22 - Step 6: Final answer
x = 1,141,111.99
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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.