Finding the Fourth Proportional to 1,815,786.40, 2,724,262.80 and 804,517.60
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Solution
The fourth proportional to 1,815,786.40, 2,724,262.80 and 804,517.60 is: 1,207,034.80
Step by Step Solution
- Step 1: Write the proportion equation
1,815,786.40 : 2,724,262.80 = 804,517.60 : x - Step 2: Convert to fraction form
1,815,786.40/2,724,262.80 = 804,517.60/x - Step 3: Cross multiply
1,815,786.40x = 2,724,262.80 × 804,517.60 - Step 4: Simplify right side
1,815,786.40x = 2,191,717,369,625.28 - Step 5: Solve for x
x = 2,191,717,369,625.28/1,815,786.40 - Step 6: Final answer
x = 1,207,034.80
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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.