Finding the Fourth Proportional to 1,567,419.75, 2,351,158.79 and 445,517.91
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Solution
The fourth proportional to 1,567,419.75, 2,351,158.79 and 445,517.91 is: 668,285.15
Step by Step Solution
- Step 1: Write the proportion equation
1,567,419.75 : 2,351,158.79 = 445,517.91 : x - Step 2: Convert to fraction form
1,567,419.75/2,351,158.79 = 445,517.91/x - Step 3: Cross multiply
1,567,419.75x = 2,351,158.79 × 445,517.91 - Step 4: Simplify right side
1,567,419.75x = 1,047,483,350,198.93 - Step 5: Solve for x
x = 1,047,483,350,198.93/1,567,419.75 - Step 6: Final answer
x = 668,285.15
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.