Finding the Fourth Proportional to 3,116,153.19, 4,675,875.50 and 2,211,183.35
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Solution
The fourth proportional to 3,116,153.19, 4,675,875.50 and 2,211,183.35 is: 3,317,942.79
Step by Step Solution
- Step 1: Write the proportion equation
3,116,153.19 : 4,675,875.50 = 2,211,183.35 : x - Step 2: Convert to fraction form
3,116,153.19/4,675,875.50 = 2,211,183.35/x - Step 3: Cross multiply
3,116,153.19x = 4,675,875.50 × 2,211,183.35 - Step 4: Simplify right side
3,116,153.19x = 10,339,218,017,837.63 - Step 5: Solve for x
x = 10,339,218,017,837.63/3,116,153.19 - Step 6: Final answer
x = 3,317,942.79
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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.