Finding the Fourth Proportional to 3,106,078.20, 4,660,238.58 and 1,084,620.12
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Solution
The fourth proportional to 3,106,078.20, 4,660,238.58 and 1,084,620.12 is: 1,627,321.72
Step by Step Solution
- Step 1: Write the proportion equation
3,106,078.20 : 4,660,238.58 = 1,084,620.12 : x - Step 2: Convert to fraction form
3,106,078.20/4,660,238.58 = 1,084,620.12/x - Step 3: Cross multiply
3,106,078.20x = 4,660,238.58 × 1,084,620.12 - Step 4: Simplify right side
3,106,078.20x = 5,054,588,527,868.23 - Step 5: Solve for x
x = 5,054,588,527,868.23/3,106,078.20 - Step 6: Final answer
x = 1,627,321.72
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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.