Finding the Fourth Proportional to 2,450,421.20, 3,381,322.44 and 1,362,517.28
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Solution
The fourth proportional to 2,450,421.20, 3,381,322.44 and 1,362,517.28 is: 1,880,129.94
Step by Step Solution
- Step 1: Write the proportion equation
2,450,421.20 : 3,381,322.44 = 1,362,517.28 : x - Step 2: Convert to fraction form
2,450,421.20/3,381,322.44 = 1,362,517.28/x - Step 3: Cross multiply
2,450,421.20x = 3,381,322.44 × 1,362,517.28 - Step 4: Simplify right side
2,450,421.20x = 4,607,110,253,751.76 - Step 5: Solve for x
x = 4,607,110,253,751.76/2,450,421.20 - Step 6: Final answer
x = 1,880,129.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.