Finding the Fourth Proportional to 3,794,637.36, 5,236,723.67 and 2,163,015.08
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Solution
The fourth proportional to 3,794,637.36, 5,236,723.67 and 2,163,015.08 is: 2,985,031.56
Step by Step Solution
- Step 1: Write the proportion equation
3,794,637.36 : 5,236,723.67 = 2,163,015.08 : x - Step 2: Convert to fraction form
3,794,637.36/5,236,723.67 = 2,163,015.08/x - Step 3: Cross multiply
3,794,637.36x = 5,236,723.67 × 2,163,015.08 - Step 4: Simplify right side
3,794,637.36x = 11,327,112,268,002.94 - Step 5: Solve for x
x = 11,327,112,268,002.94/3,794,637.36 - Step 6: Final answer
x = 2,985,031.56
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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.