Finding the Fourth Proportional to 1,519,369.14, 2,278,212.37 and 621,441.43
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Solution
The fourth proportional to 1,519,369.14, 2,278,212.37 and 621,441.43 is: 931,818.02
Step by Step Solution
- Step 1: Write the proportion equation
1,519,369.14 : 2,278,212.37 = 621,441.43 : x - Step 2: Convert to fraction form
1,519,369.14/2,278,212.37 = 621,441.43/x - Step 3: Cross multiply
1,519,369.14x = 2,278,212.37 × 621,441.43 - Step 4: Simplify right side
1,519,369.14x = 1,415,775,549,431.92 - Step 5: Solve for x
x = 1,415,775,549,431.92/1,519,369.14 - Step 6: Final answer
x = 931,818.02
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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.