Finding the Fourth Proportional to 1,946,518.20, 2,917,939.68 and 936,211.68
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Solution
The fourth proportional to 1,946,518.20, 2,917,939.68 and 936,211.68 is: 1,403,433.68
Step by Step Solution
- Step 1: Write the proportion equation
1,946,518.20 : 2,917,939.68 = 936,211.68 : x - Step 2: Convert to fraction form
1,946,518.20/2,917,939.68 = 936,211.68/x - Step 3: Cross multiply
1,946,518.20x = 2,917,939.68 × 936,211.68 - Step 4: Simplify right side
1,946,518.20x = 2,731,809,209,951.46 - Step 5: Solve for x
x = 2,731,809,209,951.46/1,946,518.20 - Step 6: Final answer
x = 1,403,433.68
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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.