Finding the Fourth Proportional to 3,019,653.75, 4,167,122.18 and 1,661,526.75
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Solution
The fourth proportional to 3,019,653.75, 4,167,122.18 and 1,661,526.75 is: 2,292,906.92
Step by Step Solution
- Step 1: Write the proportion equation
3,019,653.75 : 4,167,122.18 = 1,661,526.75 : x - Step 2: Convert to fraction form
3,019,653.75/4,167,122.18 = 1,661,526.75/x - Step 3: Cross multiply
3,019,653.75x = 4,167,122.18 × 1,661,526.75 - Step 4: Simplify right side
3,019,653.75x = 6,923,784,964,280.68 - Step 5: Solve for x
x = 6,923,784,964,280.68/3,019,653.75 - Step 6: Final answer
x = 2,292,906.92
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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.