Finding the Fourth Proportional to 4,278,538.44, 6,416,452.53 and 1,399,239.95
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Solution
The fourth proportional to 4,278,538.44, 6,416,452.53 and 1,399,239.95 is: 2,098,416.74
Step by Step Solution
- Step 1: Write the proportion equation
4,278,538.44 : 6,416,452.53 = 1,399,239.95 : x - Step 2: Convert to fraction form
4,278,538.44/6,416,452.53 = 1,399,239.95/x - Step 3: Cross multiply
4,278,538.44x = 6,416,452.53 × 1,399,239.95 - Step 4: Simplify right side
4,278,538.44x = 8,978,156,685,172.31 - Step 5: Solve for x
x = 8,978,156,685,172.31/4,278,538.44 - Step 6: Final answer
x = 2,098,416.74
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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.