Finding the Fourth Proportional to 6,146,362.74, 8,481,758.40 and 3,392,991.12
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Solution
The fourth proportional to 6,146,362.74, 8,481,758.40 and 3,392,991.12 is: 4,682,205.09
Step by Step Solution
- Step 1: Write the proportion equation
6,146,362.74 : 8,481,758.40 = 3,392,991.12 : x - Step 2: Convert to fraction form
6,146,362.74/8,481,758.40 = 3,392,991.12/x - Step 3: Cross multiply
6,146,362.74x = 8,481,758.40 × 3,392,991.12 - Step 4: Simplify right side
6,146,362.74x = 28,778,530,933,185.41 - Step 5: Solve for x
x = 28,778,530,933,185.41/6,146,362.74 - Step 6: Final answer
x = 4,682,205.09
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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.