Finding the Fourth Proportional to 2,589,718.60, 3,882,734.70 and 991,664.20
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Solution
The fourth proportional to 2,589,718.60, 3,882,734.70 and 991,664.20 is: 1,486,790.50
Step by Step Solution
- Step 1: Write the proportion equation
2,589,718.60 : 3,882,734.70 = 991,664.20 : x - Step 2: Convert to fraction form
2,589,718.60/3,882,734.70 = 991,664.20/x - Step 3: Cross multiply
2,589,718.60x = 3,882,734.70 × 991,664.20 - Step 4: Simplify right side
2,589,718.60x = 3,850,369,000,087.74 - Step 5: Solve for x
x = 3,850,369,000,087.74/2,589,718.60 - Step 6: Final answer
x = 1,486,790.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.