Finding the Fourth Proportional to 2,461,304.80, 3,689,883.60 and 1,279,352.80
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Solution
The fourth proportional to 2,461,304.80, 3,689,883.60 and 1,279,352.80 is: 1,917,951.37
Step by Step Solution
- Step 1: Write the proportion equation
2,461,304.80 : 3,689,883.60 = 1,279,352.80 : x - Step 2: Convert to fraction form
2,461,304.80/3,689,883.60 = 1,279,352.80/x - Step 3: Cross multiply
2,461,304.80x = 3,689,883.60 × 1,279,352.80 - Step 4: Simplify right side
2,461,304.80x = 4,720,662,915,334.08 - Step 5: Solve for x
x = 4,720,662,915,334.08/2,461,304.80 - Step 6: Final answer
x = 1,917,951.37
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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.