Finding the Fourth Proportional to 3,875,330.26, 5,347,884.90 and 2,156,435.74
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Solution
The fourth proportional to 3,875,330.26, 5,347,884.90 and 2,156,435.74 is: 2,975,841.89
Step by Step Solution
- Step 1: Write the proportion equation
3,875,330.26 : 5,347,884.90 = 2,156,435.74 : x - Step 2: Convert to fraction form
3,875,330.26/5,347,884.90 = 2,156,435.74/x - Step 3: Cross multiply
3,875,330.26x = 5,347,884.90 × 2,156,435.74 - Step 4: Simplify right side
3,875,330.26x = 11,532,370,131,766.33 - Step 5: Solve for x
x = 11,532,370,131,766.33/3,875,330.26 - Step 6: Final answer
x = 2,975,841.89
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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.