Finding the Fourth Proportional to 1,567,163.70, 2,351,523.15 and 620,565.30
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Solution
The fourth proportional to 1,567,163.70, 2,351,523.15 and 620,565.30 is: 931,155.86
Step by Step Solution
- Step 1: Write the proportion equation
1,567,163.70 : 2,351,523.15 = 620,565.30 : x - Step 2: Convert to fraction form
1,567,163.70/2,351,523.15 = 620,565.30/x - Step 3: Cross multiply
1,567,163.70x = 2,351,523.15 × 620,565.30 - Step 4: Simplify right side
1,567,163.70x = 1,459,273,669,036.70 - Step 5: Solve for x
x = 1,459,273,669,036.70/1,567,163.70 - Step 6: Final answer
x = 931,155.86
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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.