Finding the Fourth Proportional to 3,460,960.44, 4,776,221.71 and 1,912,321.90
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Solution
The fourth proportional to 3,460,960.44, 4,776,221.71 and 1,912,321.90 is: 2,639,057.44
Step by Step Solution
- Step 1: Write the proportion equation
3,460,960.44 : 4,776,221.71 = 1,912,321.90 : x - Step 2: Convert to fraction form
3,460,960.44/4,776,221.71 = 1,912,321.90/x - Step 3: Cross multiply
3,460,960.44x = 4,776,221.71 × 1,912,321.90 - Step 4: Simplify right side
3,460,960.44x = 9,133,673,383,649.13 - Step 5: Solve for x
x = 9,133,673,383,649.13/3,460,960.44 - Step 6: Final answer
x = 2,639,057.44
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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.