Finding the Fourth Proportional to 7,802,687.19, 11,691,249.81 and 4,155,544.84
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Solution
The fourth proportional to 7,802,687.19, 11,691,249.81 and 4,155,544.84 is: 6,226,510.39
Step by Step Solution
- Step 1: Write the proportion equation
7,802,687.19 : 11,691,249.81 = 4,155,544.84 : x - Step 2: Convert to fraction form
7,802,687.19/11,691,249.81 = 4,155,544.84/x - Step 3: Cross multiply
7,802,687.19x = 11,691,249.81 × 4,155,544.84 - Step 4: Simplify right side
7,802,687.19x = 48,583,512,821,096.48 - Step 5: Solve for x
x = 48,583,512,821,096.48/7,802,687.19 - Step 6: Final answer
x = 6,226,510.39
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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.