Finding the Fourth Proportional to 2,182,739.58, 3,012,175.08 and 1,215,859.68
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Solution
The fourth proportional to 2,182,739.58, 3,012,175.08 and 1,215,859.68 is: 1,677,883.27
Step by Step Solution
- Step 1: Write the proportion equation
2,182,739.58 : 3,012,175.08 = 1,215,859.68 : x - Step 2: Convert to fraction form
2,182,739.58/3,012,175.08 = 1,215,859.68/x - Step 3: Cross multiply
2,182,739.58x = 3,012,175.08 × 1,215,859.68 - Step 4: Simplify right side
2,182,739.58x = 3,662,382,228,872.77 - Step 5: Solve for x
x = 3,662,382,228,872.77/2,182,739.58 - Step 6: Final answer
x = 1,677,883.27
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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.