Finding the Fourth Proportional to 1,567,419.20, 2,351,157.96 and 445,517.36
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Solution
The fourth proportional to 1,567,419.20, 2,351,157.96 and 445,517.36 is: 668,284.33
Step by Step Solution
- Step 1: Write the proportion equation
1,567,419.20 : 2,351,157.96 = 445,517.36 : x - Step 2: Convert to fraction form
1,567,419.20/2,351,157.96 = 445,517.36/x - Step 3: Cross multiply
1,567,419.20x = 2,351,157.96 × 445,517.36 - Step 4: Simplify right side
1,567,419.20x = 1,047,481,687,282.19 - Step 5: Solve for x
x = 1,047,481,687,282.19/1,567,419.20 - Step 6: Final answer
x = 668,284.33
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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.