Finding the Fourth Proportional to 4,278,539.44, 6,416,454.03 and 1,399,240.95
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Solution
The fourth proportional to 4,278,539.44, 6,416,454.03 and 1,399,240.95 is: 2,098,418.25
Step by Step Solution
- Step 1: Write the proportion equation
4,278,539.44 : 6,416,454.03 = 1,399,240.95 : x - Step 2: Convert to fraction form
4,278,539.44/6,416,454.03 = 1,399,240.95/x - Step 3: Cross multiply
4,278,539.44x = 6,416,454.03 × 1,399,240.95 - Step 4: Simplify right side
4,278,539.44x = 8,978,165,232,568.53 - Step 5: Solve for x
x = 8,978,165,232,568.53/4,278,539.44 - Step 6: Final answer
x = 2,098,418.25
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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.