Finding the Fourth Proportional to 4,264,723.68, 6,396,142.05 and 1,231,431.18
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Solution
The fourth proportional to 4,264,723.68, 6,396,142.05 and 1,231,431.18 is: 1,846,874.34
Step by Step Solution
- Step 1: Write the proportion equation
4,264,723.68 : 6,396,142.05 = 1,231,431.18 : x - Step 2: Convert to fraction form
4,264,723.68/6,396,142.05 = 1,231,431.18/x - Step 3: Cross multiply
4,264,723.68x = 6,396,142.05 × 1,231,431.18 - Step 4: Simplify right side
4,264,723.68x = 7,876,408,752,079.12 - Step 5: Solve for x
x = 7,876,408,752,079.12/4,264,723.68 - Step 6: Final answer
x = 1,846,874.34
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.