Finding the Fourth Proportional to 3,367,833.12, 4,647,778.29 and 2,060,676.18
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Solution
The fourth proportional to 3,367,833.12, 4,647,778.29 and 2,060,676.18 is: 2,843,836.28
Step by Step Solution
- Step 1: Write the proportion equation
3,367,833.12 : 4,647,778.29 = 2,060,676.18 : x - Step 2: Convert to fraction form
3,367,833.12/4,647,778.29 = 2,060,676.18/x - Step 3: Cross multiply
3,367,833.12x = 4,647,778.29 × 2,060,676.18 - Step 4: Simplify right side
3,367,833.12x = 9,577,566,012,124.13 - Step 5: Solve for x
x = 9,577,566,012,124.13/3,367,833.12 - Step 6: Final answer
x = 2,843,836.28
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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.