Finding the Fourth Proportional to 2,450,422.56, 3,381,087.60 and 1,431,630.48
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Solution
The fourth proportional to 2,450,422.56, 3,381,087.60 and 1,431,630.48 is: 1,975,360.55
Step by Step Solution
- Step 1: Write the proportion equation
2,450,422.56 : 3,381,087.60 = 1,431,630.48 : x - Step 2: Convert to fraction form
2,450,422.56/3,381,087.60 = 1,431,630.48/x - Step 3: Cross multiply
2,450,422.56x = 3,381,087.60 × 1,431,630.48 - Step 4: Simplify right side
2,450,422.56x = 4,840,468,063,710.05 - Step 5: Solve for x
x = 4,840,468,063,710.05/2,450,422.56 - Step 6: Final answer
x = 1,975,360.55
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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.