Finding the Fourth Proportional to 1,753,905.40, 2,629,983.30 and 806,205.40
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Solution
The fourth proportional to 1,753,905.40, 2,629,983.30 and 806,205.40 is: 1,208,905.99
Step by Step Solution
- Step 1: Write the proportion equation
1,753,905.40 : 2,629,983.30 = 806,205.40 : x - Step 2: Convert to fraction form
1,753,905.40/2,629,983.30 = 806,205.40/x - Step 3: Cross multiply
1,753,905.40x = 2,629,983.30 × 806,205.40 - Step 4: Simplify right side
1,753,905.40x = 2,120,306,738,369.82 - Step 5: Solve for x
x = 2,120,306,738,369.82/1,753,905.40 - Step 6: Final answer
x = 1,208,905.99
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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.