Finding the Fourth Proportional to 7,880,489.70, 11,821,088.79 and 2,415,184.26
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Solution
The fourth proportional to 7,880,489.70, 11,821,088.79 and 2,415,184.26 is: 3,622,884.96
Step by Step Solution
- Step 1: Write the proportion equation
7,880,489.70 : 11,821,088.79 = 2,415,184.26 : x - Step 2: Convert to fraction form
7,880,489.70/11,821,088.79 = 2,415,184.26/x - Step 3: Cross multiply
7,880,489.70x = 11,821,088.79 × 2,415,184.26 - Step 4: Simplify right side
7,880,489.70x = 28,550,107,581,670.44 - Step 5: Solve for x
x = 28,550,107,581,670.44/7,880,489.70 - Step 6: Final answer
x = 3,622,884.96
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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.