Finding the Fourth Proportional to 3,202,441.08, 4,418,932.24 and 1,913,007.76
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Solution
The fourth proportional to 3,202,441.08, 4,418,932.24 and 1,913,007.76 is: 2,639,689.99
Step by Step Solution
- Step 1: Write the proportion equation
3,202,441.08 : 4,418,932.24 = 1,913,007.76 : x - Step 2: Convert to fraction form
3,202,441.08/4,418,932.24 = 1,913,007.76/x - Step 3: Cross multiply
3,202,441.08x = 4,418,932.24 × 1,913,007.76 - Step 4: Simplify right side
3,202,441.08x = 8,453,451,666,034.18 - Step 5: Solve for x
x = 8,453,451,666,034.18/3,202,441.08 - Step 6: Final answer
x = 2,639,689.99
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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.