Finding the Fourth Proportional to 3,393,067.68, 4,682,438.40 and 1,865,184.12
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Solution
The fourth proportional to 3,393,067.68, 4,682,438.40 and 1,865,184.12 is: 2,573,956.84
Step by Step Solution
- Step 1: Write the proportion equation
3,393,067.68 : 4,682,438.40 = 1,865,184.12 : x - Step 2: Convert to fraction form
3,393,067.68/4,682,438.40 = 1,865,184.12/x - Step 3: Cross multiply
3,393,067.68x = 4,682,438.40 × 1,865,184.12 - Step 4: Simplify right side
3,393,067.68x = 8,733,609,746,558.21 - Step 5: Solve for x
x = 8,733,609,746,558.21/3,393,067.68 - Step 6: Final answer
x = 2,573,956.84
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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.