Finding the Fourth Proportional to 2,450,473.56, 3,381,157.98 and 1,431,681.48
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Solution
The fourth proportional to 2,450,473.56, 3,381,157.98 and 1,431,681.48 is: 1,975,430.93
Step by Step Solution
- Step 1: Write the proportion equation
2,450,473.56 : 3,381,157.98 = 1,431,681.48 : x - Step 2: Convert to fraction form
2,450,473.56/3,381,157.98 = 1,431,681.48/x - Step 3: Cross multiply
2,450,473.56x = 3,381,157.98 × 1,431,681.48 - Step 4: Simplify right side
2,450,473.56x = 4,840,741,260,920.21 - Step 5: Solve for x
x = 4,840,741,260,920.21/2,450,473.56 - Step 6: Final answer
x = 1,975,430.93
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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.