Finding the Fourth Proportional to 3,363,623.62, 4,640,186.20 and 2,201,558.28
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Solution
The fourth proportional to 3,363,623.62, 4,640,186.20 and 2,201,558.28 is: 3,037,093.78
Step by Step Solution
- Step 1: Write the proportion equation
3,363,623.62 : 4,640,186.20 = 2,201,558.28 : x - Step 2: Convert to fraction form
3,363,623.62/4,640,186.20 = 2,201,558.28/x - Step 3: Cross multiply
3,363,623.62x = 4,640,186.20 × 2,201,558.28 - Step 4: Simplify right side
3,363,623.62x = 10,215,640,356,676.11 - Step 5: Solve for x
x = 10,215,640,356,676.11/3,363,623.62 - Step 6: Final answer
x = 3,037,093.78
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1.5x scale
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.