Finding the Fourth Proportional to 2,461,846.80, 3,690,696.60 and 1,279,894.80
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Solution
The fourth proportional to 2,461,846.80, 3,690,696.60 and 1,279,894.80 is: 1,918,764.15
Step by Step Solution
- Step 1: Write the proportion equation
2,461,846.80 : 3,690,696.60 = 1,279,894.80 : x - Step 2: Convert to fraction form
2,461,846.80/3,690,696.60 = 1,279,894.80/x - Step 3: Cross multiply
2,461,846.80x = 3,690,696.60 × 1,279,894.80 - Step 4: Simplify right side
2,461,846.80x = 4,723,703,386,717.68 - Step 5: Solve for x
x = 4,723,703,386,717.68/2,461,846.80 - Step 6: Final answer
x = 1,918,764.15
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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.