Finding the Fourth Proportional to 3,315,139.20, 4,969,792.80 and 2,246,716.80
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Solution
The fourth proportional to 3,315,139.20, 4,969,792.80 and 2,246,716.80 is: 3,368,098.99
Step by Step Solution
- Step 1: Write the proportion equation
3,315,139.20 : 4,969,792.80 = 2,246,716.80 : x - Step 2: Convert to fraction form
3,315,139.20/4,969,792.80 = 2,246,716.80/x - Step 3: Cross multiply
3,315,139.20x = 4,969,792.80 × 2,246,716.80 - Step 4: Simplify right side
3,315,139.20x = 11,165,716,976,279.04 - Step 5: Solve for x
x = 11,165,716,976,279.04/3,315,139.20 - Step 6: Final answer
x = 3,368,098.99
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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.