Finding the Fourth Proportional to 2,077,571.36, 3,121,836.80 and 1,118,735.84
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Solution
The fourth proportional to 2,077,571.36, 3,121,836.80 and 1,118,735.84 is: 1,681,054.51
Step by Step Solution
- Step 1: Write the proportion equation
2,077,571.36 : 3,121,836.80 = 1,118,735.84 : x - Step 2: Convert to fraction form
2,077,571.36/3,121,836.80 = 1,118,735.84/x - Step 3: Cross multiply
2,077,571.36x = 3,121,836.80 × 1,118,735.84 - Step 4: Simplify right side
2,077,571.36x = 3,492,510,714,790.91 - Step 5: Solve for x
x = 3,492,510,714,790.91/2,077,571.36 - Step 6: Final answer
x = 1,681,054.51
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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.