Finding the Fourth Proportional to 1,438,234.26, 2,156,790.60 and 539,185.97
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Solution
The fourth proportional to 1,438,234.26, 2,156,790.60 and 539,185.97 is: 808,568.71
Step by Step Solution
- Step 1: Write the proportion equation
1,438,234.26 : 2,156,790.60 = 539,185.97 : x - Step 2: Convert to fraction form
1,438,234.26/2,156,790.60 = 539,185.97/x - Step 3: Cross multiply
1,438,234.26x = 2,156,790.60 × 539,185.97 - Step 4: Simplify right side
1,438,234.26x = 1,162,911,220,963.93 - Step 5: Solve for x
x = 1,162,911,220,963.93/1,438,234.26 - Step 6: Final answer
x = 808,568.71
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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.