Finding the Fourth Proportional to 3,615,872.00, 4,990,047.02 and 1,984,338.12
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Solution
The fourth proportional to 3,615,872.00, 4,990,047.02 and 1,984,338.12 is: 2,738,465.45
Step by Step Solution
- Step 1: Write the proportion equation
3,615,872.00 : 4,990,047.02 = 1,984,338.12 : x - Step 2: Convert to fraction form
3,615,872.00/4,990,047.02 = 1,984,338.12/x - Step 3: Cross multiply
3,615,872.00x = 4,990,047.02 × 1,984,338.12 - Step 4: Simplify right side
3,615,872.00x = 9,901,940,512,456.71 - Step 5: Solve for x
x = 9,901,940,512,456.71/3,615,872.00 - Step 6: Final answer
x = 2,738,465.45
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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.