Finding the Fourth Proportional to 2,183,649.21, 3,274,812.86 and 763,440.57
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Solution
The fourth proportional to 2,183,649.21, 3,274,812.86 and 763,440.57 is: 1,144,929.77
Step by Step Solution
- Step 1: Write the proportion equation
2,183,649.21 : 3,274,812.86 = 763,440.57 : x - Step 2: Convert to fraction form
2,183,649.21/3,274,812.86 = 763,440.57/x - Step 3: Cross multiply
2,183,649.21x = 3,274,812.86 × 763,440.57 - Step 4: Simplify right side
2,183,649.21x = 2,500,124,992,664.53 - Step 5: Solve for x
x = 2,500,124,992,664.53/2,183,649.21 - Step 6: Final answer
x = 1,144,929.77
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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.