Finding the Fourth Proportional to 4,186,767.36, 5,777,878.44 and 2,351,548.56
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Solution
The fourth proportional to 4,186,767.36, 5,777,878.44 and 2,351,548.56 is: 3,245,215.36
Step by Step Solution
- Step 1: Write the proportion equation
4,186,767.36 : 5,777,878.44 = 2,351,548.56 : x - Step 2: Convert to fraction form
4,186,767.36/5,777,878.44 = 2,351,548.56/x - Step 3: Cross multiply
4,186,767.36x = 5,777,878.44 × 2,351,548.56 - Step 4: Simplify right side
4,186,767.36x = 13,586,961,725,437.05 - Step 5: Solve for x
x = 13,586,961,725,437.05/4,186,767.36 - Step 6: Final answer
x = 3,245,215.36
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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.