Finding the Fourth Proportional to 2,186,309.20, 3,278,297.40 and 922,709.20
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Solution
The fourth proportional to 2,186,309.20, 3,278,297.40 and 922,709.20 is: 1,383,571.53
Step by Step Solution
- Step 1: Write the proportion equation
2,186,309.20 : 3,278,297.40 = 922,709.20 : x - Step 2: Convert to fraction form
2,186,309.20/3,278,297.40 = 922,709.20/x - Step 3: Cross multiply
2,186,309.20x = 3,278,297.40 × 922,709.20 - Step 4: Simplify right side
2,186,309.20x = 3,024,915,171,316.08 - Step 5: Solve for x
x = 3,024,915,171,316.08/2,186,309.20 - Step 6: Final answer
x = 1,383,571.53
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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.