Finding the Fourth Proportional to 4,158,935.40, 6,237,942.30 and 3,409,674.60
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Solution
The fourth proportional to 4,158,935.40, 6,237,942.30 and 3,409,674.60 is: 5,114,134.12
Step by Step Solution
- Step 1: Write the proportion equation
4,158,935.40 : 6,237,942.30 = 3,409,674.60 : x - Step 2: Convert to fraction form
4,158,935.40/6,237,942.30 = 3,409,674.60/x - Step 3: Cross multiply
4,158,935.40x = 6,237,942.30 × 3,409,674.60 - Step 4: Simplify right side
4,158,935.40x = 21,269,353,416,575.58 - Step 5: Solve for x
x = 21,269,353,416,575.58/4,158,935.40 - Step 6: Final answer
x = 5,114,134.12
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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.