Finding the Fourth Proportional to 3,081,465.99, 4,619,694.06 and 1,285,687.49
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Solution
The fourth proportional to 3,081,465.99, 4,619,694.06 and 1,285,687.49 is: 1,927,486.09
Step by Step Solution
- Step 1: Write the proportion equation
3,081,465.99 : 4,619,694.06 = 1,285,687.49 : x - Step 2: Convert to fraction form
3,081,465.99/4,619,694.06 = 1,285,687.49/x - Step 3: Cross multiply
3,081,465.99x = 4,619,694.06 × 1,285,687.49 - Step 4: Simplify right side
3,081,465.99x = 5,939,482,837,470.84 - Step 5: Solve for x
x = 5,939,482,837,470.84/3,081,465.99 - Step 6: Final answer
x = 1,927,486.09
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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.