Finding the Fourth Proportional to 2,670,912.05, 3,685,927.25 and 1,638,989.97
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Solution
The fourth proportional to 2,670,912.05, 3,685,927.25 and 1,638,989.97 is: 2,261,848.26
Step by Step Solution
- Step 1: Write the proportion equation
2,670,912.05 : 3,685,927.25 = 1,638,989.97 : x - Step 2: Convert to fraction form
2,670,912.05/3,685,927.25 = 1,638,989.97/x - Step 3: Cross multiply
2,670,912.05x = 3,685,927.25 × 1,638,989.97 - Step 4: Simplify right side
2,670,912.05x = 6,041,197,775,489.92 - Step 5: Solve for x
x = 6,041,197,775,489.92/2,670,912.05 - Step 6: Final answer
x = 2,261,848.26
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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.