Finding the Fourth Proportional to 1,661,405.03, 2,492,107.29 and 399,232.67
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Solution
The fourth proportional to 1,661,405.03, 2,492,107.29 and 399,232.67 is: 598,848.94
Step by Step Solution
- Step 1: Write the proportion equation
1,661,405.03 : 2,492,107.29 = 399,232.67 : x - Step 2: Convert to fraction form
1,661,405.03/2,492,107.29 = 399,232.67/x - Step 3: Cross multiply
1,661,405.03x = 2,492,107.29 × 399,232.67 - Step 4: Simplify right side
1,661,405.03x = 994,930,647,313.16 - Step 5: Solve for x
x = 994,930,647,313.16/1,661,405.03 - Step 6: Final answer
x = 598,848.94
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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.