Finding the Fourth Proportional to 1,992,183.84, 2,749,343.40 and 1,132,824
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Solution
The fourth proportional to 1,992,183.84, 2,749,343.40 and 1,132,824 is: 1,563,370.87
Step by Step Solution
- Step 1: Write the proportion equation
1,992,183.84 : 2,749,343.40 = 1,132,824 : x - Step 2: Convert to fraction form
1,992,183.84/2,749,343.40 = 1,132,824/x - Step 3: Cross multiply
1,992,183.84x = 2,749,343.40 × 1,132,824 - Step 4: Simplify right side
1,992,183.84x = 3,114,522,187,761.60 - Step 5: Solve for x
x = 3,114,522,187,761.60/1,992,183.84 - Step 6: Final answer
x = 1,563,370.87
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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.