Finding the Fourth Proportional to 1,805,839.97, 2,491,992.99 and 990,025.79
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Solution
The fourth proportional to 1,805,839.97, 2,491,992.99 and 990,025.79 is: 1,366,199.31
Step by Step Solution
- Step 1: Write the proportion equation
1,805,839.97 : 2,491,992.99 = 990,025.79 : x - Step 2: Convert to fraction form
1,805,839.97/2,491,992.99 = 990,025.79/x - Step 3: Cross multiply
1,805,839.97x = 2,491,992.99 × 990,025.79 - Step 4: Simplify right side
1,805,839.97x = 2,467,137,328,599.21 - Step 5: Solve for x
x = 2,467,137,328,599.21/1,805,839.97 - Step 6: Final answer
x = 1,366,199.31
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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.