Finding the Fourth Proportional to 1,519,400.97, 2,278,260 and 621,473.31
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Solution
The fourth proportional to 1,519,400.97, 2,278,260 and 621,473.31 is: 931,865.79
Step by Step Solution
- Step 1: Write the proportion equation
1,519,400.97 : 2,278,260 = 621,473.31 : x - Step 2: Convert to fraction form
1,519,400.97/2,278,260 = 621,473.31/x - Step 3: Cross multiply
1,519,400.97x = 2,278,260 × 621,473.31 - Step 4: Simplify right side
1,519,400.97x = 1,415,877,783,240.60 - Step 5: Solve for x
x = 1,415,877,783,240.60/1,519,400.97 - Step 6: Final answer
x = 931,865.79
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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.