Finding the Fourth Proportional to 7,639,755.17, 11,459,369.61 and 2,174,883.57
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Solution
The fourth proportional to 7,639,755.17, 11,459,369.61 and 2,174,883.57 is: 3,262,250.45
Step by Step Solution
- Step 1: Write the proportion equation
7,639,755.17 : 11,459,369.61 = 2,174,883.57 : x - Step 2: Convert to fraction form
7,639,755.17/11,459,369.61 = 2,174,883.57/x - Step 3: Cross multiply
7,639,755.17x = 11,459,369.61 × 2,174,883.57 - Step 4: Simplify right side
7,639,755.17x = 24,922,794,687,346.30 - Step 5: Solve for x
x = 24,922,794,687,346.30/7,639,755.17 - Step 6: Final answer
x = 3,262,250.45
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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.