Finding the Fourth Proportional to 5,193,439.64, 7,167,836.68 and 3,019,243.93
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Solution
The fourth proportional to 5,193,439.64, 7,167,836.68 and 3,019,243.93 is: 4,167,074.02
Step by Step Solution
- Step 1: Write the proportion equation
5,193,439.64 : 7,167,836.68 = 3,019,243.93 : x - Step 2: Convert to fraction form
5,193,439.64/7,167,836.68 = 3,019,243.93/x - Step 3: Cross multiply
5,193,439.64x = 7,167,836.68 × 3,019,243.93 - Step 4: Simplify right side
5,193,439.64x = 21,641,447,402,172.73 - Step 5: Solve for x
x = 21,641,447,402,172.73/5,193,439.64 - Step 6: Final answer
x = 4,167,074.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.