Finding the Fourth Proportional to 1,715,489.44, 2,367,367.84 and 980,431.46
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Solution
The fourth proportional to 1,715,489.44, 2,367,367.84 and 980,431.46 is: 1,352,991.08
Step by Step Solution
- Step 1: Write the proportion equation
1,715,489.44 : 2,367,367.84 = 980,431.46 : x - Step 2: Convert to fraction form
1,715,489.44/2,367,367.84 = 980,431.46/x - Step 3: Cross multiply
1,715,489.44x = 2,367,367.84 × 980,431.46 - Step 4: Simplify right side
1,715,489.44x = 2,321,041,907,728.25 - Step 5: Solve for x
x = 2,321,041,907,728.25/1,715,489.44 - Step 6: Final answer
x = 1,352,991.08
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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.