Finding the Fourth Proportional to 4,133,176.40, 6,188,705.40 and 2,629,125.20
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Solution
The fourth proportional to 4,133,176.40, 6,188,705.40 and 2,629,125.20 is: 3,936,653.01
Step by Step Solution
- Step 1: Write the proportion equation
4,133,176.40 : 6,188,705.40 = 2,629,125.20 : x - Step 2: Convert to fraction form
4,133,176.40/6,188,705.40 = 2,629,125.20/x - Step 3: Cross multiply
4,133,176.40x = 6,188,705.40 × 2,629,125.20 - Step 4: Simplify right side
4,133,176.40x = 16,270,881,322,516.08 - Step 5: Solve for x
x = 16,270,881,322,516.08/4,133,176.40 - Step 6: Final answer
x = 3,936,653.01
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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.