Finding the Fourth Proportional to 2,651,559.74, 3,659,049.09 and 1,620,793.28
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Solution
The fourth proportional to 2,651,559.74, 3,659,049.09 and 1,620,793.28 is: 2,236,631.55
Step by Step Solution
- Step 1: Write the proportion equation
2,651,559.74 : 3,659,049.09 = 1,620,793.28 : x - Step 2: Convert to fraction form
2,651,559.74/3,659,049.09 = 1,620,793.28/x - Step 3: Cross multiply
2,651,559.74x = 3,659,049.09 × 1,620,793.28 - Step 4: Simplify right side
2,651,559.74x = 5,930,562,176,262.12 - Step 5: Solve for x
x = 5,930,562,176,262.12/2,651,559.74 - Step 6: Final answer
x = 2,236,631.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.