Finding the Fourth Proportional to 3,204,329.79, 4,809,816.18 and 2,146,762.20
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Solution
The fourth proportional to 3,204,329.79, 4,809,816.18 and 2,146,762.20 is: 3,222,368.56
Step by Step Solution
- Step 1: Write the proportion equation
3,204,329.79 : 4,809,816.18 = 2,146,762.20 : x - Step 2: Convert to fraction form
3,204,329.79/4,809,816.18 = 2,146,762.20/x - Step 3: Cross multiply
3,204,329.79x = 4,809,816.18 × 2,146,762.20 - Step 4: Simplify right side
3,204,329.79x = 10,325,531,564,172.40 - Step 5: Solve for x
x = 10,325,531,564,172.40/3,204,329.79 - Step 6: Final answer
x = 3,222,368.56
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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.