Finding the Fourth Proportional to 3,711,229.10, 5,121,409.41 and 2,183,434.58
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Solution
The fourth proportional to 3,711,229.10, 5,121,409.41 and 2,183,434.58 is: 3,013,088.68
Step by Step Solution
- Step 1: Write the proportion equation
3,711,229.10 : 5,121,409.41 = 2,183,434.58 : x - Step 2: Convert to fraction form
3,711,229.10/5,121,409.41 = 2,183,434.58/x - Step 3: Cross multiply
3,711,229.10x = 5,121,409.41 × 2,183,434.58 - Step 4: Simplify right side
3,711,229.10x = 11,182,262,404,131.40 - Step 5: Solve for x
x = 11,182,262,404,131.40/3,711,229.10 - Step 6: Final answer
x = 3,013,088.68
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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.