Finding the Fourth Proportional to 3,776,330.21, 5,211,395.45 and 2,057,450.21
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Solution
The fourth proportional to 3,776,330.21, 5,211,395.45 and 2,057,450.21 is: 2,839,313.85
Step by Step Solution
- Step 1: Write the proportion equation
3,776,330.21 : 5,211,395.45 = 2,057,450.21 : x - Step 2: Convert to fraction form
3,776,330.21/5,211,395.45 = 2,057,450.21/x - Step 3: Cross multiply
3,776,330.21x = 5,211,395.45 × 2,057,450.21 - Step 4: Simplify right side
3,776,330.21x = 10,722,186,662,995.54 - Step 5: Solve for x
x = 10,722,186,662,995.54/3,776,330.21 - Step 6: Final answer
x = 2,839,313.85
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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.