Finding the Fourth Proportional to 3,389,107.53, 4,676,968.44 and 1,861,214.79
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Solution
The fourth proportional to 3,389,107.53, 4,676,968.44 and 1,861,214.79 is: 2,568,476.44
Step by Step Solution
- Step 1: Write the proportion equation
3,389,107.53 : 4,676,968.44 = 1,861,214.79 : x - Step 2: Convert to fraction form
3,389,107.53/4,676,968.44 = 1,861,214.79/x - Step 3: Cross multiply
3,389,107.53x = 4,676,968.44 × 1,861,214.79 - Step 4: Simplify right side
3,389,107.53x = 8,704,842,832,891.23 - Step 5: Solve for x
x = 8,704,842,832,891.23/3,389,107.53 - Step 6: Final answer
x = 2,568,476.44
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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.