Finding the Fourth Proportional to 3,579,823.46, 5,362,649.26 and 3,131,051.06
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Solution
The fourth proportional to 3,579,823.46, 5,362,649.26 and 3,131,051.06 is: 4,690,378.96
Step by Step Solution
- Step 1: Write the proportion equation
3,579,823.46 : 5,362,649.26 = 3,131,051.06 : x - Step 2: Convert to fraction form
3,579,823.46/5,362,649.26 = 3,131,051.06/x - Step 3: Cross multiply
3,579,823.46x = 5,362,649.26 × 3,131,051.06 - Step 4: Simplify right side
3,579,823.46x = 16,790,728,649,931.21 - Step 5: Solve for x
x = 16,790,728,649,931.21/3,579,823.46 - Step 6: Final answer
x = 4,690,378.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.