Finding the Fourth Proportional to 2,311,536.63, 3,189,932.09 and 1,292,941.38
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Solution
The fourth proportional to 2,311,536.63, 3,189,932.09 and 1,292,941.38 is: 1,784,265.56
Step by Step Solution
- Step 1: Write the proportion equation
2,311,536.63 : 3,189,932.09 = 1,292,941.38 : x - Step 2: Convert to fraction form
2,311,536.63/3,189,932.09 = 1,292,941.38/x - Step 3: Cross multiply
2,311,536.63x = 3,189,932.09 × 1,292,941.38 - Step 4: Simplify right side
2,311,536.63x = 4,124,395,198,550.88 - Step 5: Solve for x
x = 4,124,395,198,550.88/2,311,536.63 - Step 6: Final answer
x = 1,784,265.56
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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.