Finding the Fourth Proportional to 2,372,106.80, 3,273,512.46 and 1,284,391.28
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Solution
The fourth proportional to 2,372,106.80, 3,273,512.46 and 1,284,391.28 is: 1,772,462.71
Step by Step Solution
- Step 1: Write the proportion equation
2,372,106.80 : 3,273,512.46 = 1,284,391.28 : x - Step 2: Convert to fraction form
2,372,106.80/3,273,512.46 = 1,284,391.28/x - Step 3: Cross multiply
2,372,106.80x = 3,273,512.46 × 1,284,391.28 - Step 4: Simplify right side
2,372,106.80x = 4,204,470,858,595.35 - Step 5: Solve for x
x = 4,204,470,858,595.35/2,372,106.80 - Step 6: Final answer
x = 1,772,462.71
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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.