Finding the Fourth Proportional to 3,072,404.12, 4,239,915.03 and 1,714,277.12
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Solution
The fourth proportional to 3,072,404.12, 4,239,915.03 and 1,714,277.12 is: 2,365,700.94
Step by Step Solution
- Step 1: Write the proportion equation
3,072,404.12 : 4,239,915.03 = 1,714,277.12 : x - Step 2: Convert to fraction form
3,072,404.12/4,239,915.03 = 1,714,277.12/x - Step 3: Cross multiply
3,072,404.12x = 4,239,915.03 × 1,714,277.12 - Step 4: Simplify right side
3,072,404.12x = 7,268,389,305,473.54 - Step 5: Solve for x
x = 7,268,389,305,473.54/3,072,404.12 - Step 6: Final answer
x = 2,365,700.94
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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.