Finding the Fourth Proportional to 3,106,209.92, 4,659,632.96 and 1,188,733.95
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Solution
The fourth proportional to 3,106,209.92, 4,659,632.96 and 1,188,733.95 is: 1,783,222.65
Step by Step Solution
- Step 1: Write the proportion equation
3,106,209.92 : 4,659,632.96 = 1,188,733.95 : x - Step 2: Convert to fraction form
3,106,209.92/4,659,632.96 = 1,188,733.95/x - Step 3: Cross multiply
3,106,209.92x = 4,659,632.96 × 1,188,733.95 - Step 4: Simplify right side
3,106,209.92x = 5,539,063,888,147.32 - Step 5: Solve for x
x = 5,539,063,888,147.32/3,106,209.92 - Step 6: Final answer
x = 1,783,222.65
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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.