Finding the Fourth Proportional to 1,660,582.74, 2,481,775.77 and 1,212,247.74
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Solution
The fourth proportional to 1,660,582.74, 2,481,775.77 and 1,212,247.74 is: 1,811,729.70
Step by Step Solution
- Step 1: Write the proportion equation
1,660,582.74 : 2,481,775.77 = 1,212,247.74 : x - Step 2: Convert to fraction form
1,660,582.74/2,481,775.77 = 1,212,247.74/x - Step 3: Cross multiply
1,660,582.74x = 2,481,775.77 × 1,212,247.74 - Step 4: Simplify right side
1,660,582.74x = 3,008,527,068,369.26 - Step 5: Solve for x
x = 3,008,527,068,369.26/1,660,582.74 - Step 6: Final answer
x = 1,811,729.70
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.