Finding the Fourth Proportional to 5,431,694.39, 8,147,489.73 and 3,302,366.39
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Solution
The fourth proportional to 5,431,694.39, 8,147,489.73 and 3,302,366.39 is: 4,953,518.06
Step by Step Solution
- Step 1: Write the proportion equation
5,431,694.39 : 8,147,489.73 = 3,302,366.39 : x - Step 2: Convert to fraction form
5,431,694.39/8,147,489.73 = 3,302,366.39/x - Step 3: Cross multiply
5,431,694.39x = 8,147,489.73 × 3,302,366.39 - Step 4: Simplify right side
5,431,694.39x = 26,905,996,206,484.73 - Step 5: Solve for x
x = 26,905,996,206,484.73/5,431,694.39 - Step 6: Final answer
x = 4,953,518.06
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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.