Finding the Fourth Proportional to 2,629,166.02, 3,628,249.11 and 1,421,942.02
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Solution
The fourth proportional to 2,629,166.02, 3,628,249.11 and 1,421,942.02 is: 1,962,279.99
Step by Step Solution
- Step 1: Write the proportion equation
2,629,166.02 : 3,628,249.11 = 1,421,942.02 : x - Step 2: Convert to fraction form
2,629,166.02/3,628,249.11 = 1,421,942.02/x - Step 3: Cross multiply
2,629,166.02x = 3,628,249.11 × 1,421,942.02 - Step 4: Simplify right side
2,629,166.02x = 5,159,159,868,536.60 - Step 5: Solve for x
x = 5,159,159,868,536.60/2,629,166.02 - Step 6: Final answer
x = 1,962,279.99
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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.