Finding the Fourth Proportional to 2,161,071.14, 3,241,744.95 and 831,375.14
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Solution
The fourth proportional to 2,161,071.14, 3,241,744.95 and 831,375.14 is: 1,247,115.89
Step by Step Solution
- Step 1: Write the proportion equation
2,161,071.14 : 3,241,744.95 = 831,375.14 : x - Step 2: Convert to fraction form
2,161,071.14/3,241,744.95 = 831,375.14/x - Step 3: Cross multiply
2,161,071.14x = 3,241,744.95 × 831,375.14 - Step 4: Simplify right side
2,161,071.14x = 2,695,106,161,650.54 - Step 5: Solve for x
x = 2,695,106,161,650.54/2,161,071.14 - Step 6: Final answer
x = 1,247,115.89
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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.