Finding the Fourth Proportional to 1,438,218.44, 2,156,766.98 and 539,169.62
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Solution
The fourth proportional to 1,438,218.44, 2,156,766.98 and 539,169.62 is: 808,544.23
Step by Step Solution
- Step 1: Write the proportion equation
1,438,218.44 : 2,156,766.98 = 539,169.62 : x - Step 2: Convert to fraction form
1,438,218.44/2,156,766.98 = 539,169.62/x - Step 3: Cross multiply
1,438,218.44x = 2,156,766.98 × 539,169.62 - Step 4: Simplify right side
1,438,218.44x = 1,162,863,219,555.46 - Step 5: Solve for x
x = 1,162,863,219,555.46/1,438,218.44 - Step 6: Final answer
x = 808,544.23
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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.