Finding the Fourth Proportional to 3,901,910.40, 5,384,660.49 and 2,183,030.46
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Solution
The fourth proportional to 3,901,910.40, 5,384,660.49 and 2,183,030.46 is: 3,012,595.54
Step by Step Solution
- Step 1: Write the proportion equation
3,901,910.40 : 5,384,660.49 = 2,183,030.46 : x - Step 2: Convert to fraction form
3,901,910.40/5,384,660.49 = 2,183,030.46/x - Step 3: Cross multiply
3,901,910.40x = 5,384,660.49 × 2,183,030.46 - Step 4: Simplify right side
3,901,910.40x = 11,754,877,866,428.53 - Step 5: Solve for x
x = 11,754,877,866,428.53/3,901,910.40 - Step 6: Final answer
x = 3,012,595.54
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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.