Finding the Fourth Proportional to 5,080,806.36, 7,011,424.77 and 2,757,649.02
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Solution
The fourth proportional to 5,080,806.36, 7,011,424.77 and 2,757,649.02 is: 3,805,507.88
Step by Step Solution
- Step 1: Write the proportion equation
5,080,806.36 : 7,011,424.77 = 2,757,649.02 : x - Step 2: Convert to fraction form
5,080,806.36/7,011,424.77 = 2,757,649.02/x - Step 3: Cross multiply
5,080,806.36x = 7,011,424.77 × 2,757,649.02 - Step 4: Simplify right side
5,080,806.36x = 19,335,048,645,794.22 - Step 5: Solve for x
x = 19,335,048,645,794.22/5,080,806.36 - Step 6: Final answer
x = 3,805,507.88
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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.