Finding the Fourth Proportional to 2,651,909.46, 3,978,120.60 and 1,054,113.99
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Solution
The fourth proportional to 2,651,909.46, 3,978,120.60 and 1,054,113.99 is: 1,581,272.91
Step by Step Solution
- Step 1: Write the proportion equation
2,651,909.46 : 3,978,120.60 = 1,054,113.99 : x - Step 2: Convert to fraction form
2,651,909.46/3,978,120.60 = 1,054,113.99/x - Step 3: Cross multiply
2,651,909.46x = 3,978,120.60 × 1,054,113.99 - Step 4: Simplify right side
2,651,909.46x = 4,193,392,578,367.19 - Step 5: Solve for x
x = 4,193,392,578,367.19/2,651,909.46 - Step 6: Final answer
x = 1,581,272.91
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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.