Finding the Fourth Proportional to 1,332,042.49, 1,836,991.74 and 872,989.84
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Solution
The fourth proportional to 1,332,042.49, 1,836,991.74 and 872,989.84 is: 1,203,921.90
Step by Step Solution
- Step 1: Write the proportion equation
1,332,042.49 : 1,836,991.74 = 872,989.84 : x - Step 2: Convert to fraction form
1,332,042.49/1,836,991.74 = 872,989.84/x - Step 3: Cross multiply
1,332,042.49x = 1,836,991.74 × 872,989.84 - Step 4: Simplify right side
1,332,042.49x = 1,603,675,125,183.92 - Step 5: Solve for x
x = 1,603,675,125,183.92/1,332,042.49 - Step 6: Final answer
x = 1,203,921.90
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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.