Finding the Fourth Proportional to 5,641,352.63, 7,784,986.75 and 3,193,900.07
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Solution
The fourth proportional to 5,641,352.63, 7,784,986.75 and 3,193,900.07 is: 4,407,536.86
Step by Step Solution
- Step 1: Write the proportion equation
5,641,352.63 : 7,784,986.75 = 3,193,900.07 : x - Step 2: Convert to fraction form
5,641,352.63/7,784,986.75 = 3,193,900.07/x - Step 3: Cross multiply
5,641,352.63x = 7,784,986.75 × 3,193,900.07 - Step 4: Simplify right side
5,641,352.63x = 24,864,469,678,864.39 - Step 5: Solve for x
x = 24,864,469,678,864.39/5,641,352.63 - Step 6: Final answer
x = 4,407,536.86
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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.