Finding the Fourth Proportional to 5,255,251.20, 7,884,043.20 and 2,414,678.40
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Solution
The fourth proportional to 5,255,251.20, 7,884,043.20 and 2,414,678.40 is: 3,622,553.54
Step by Step Solution
- Step 1: Write the proportion equation
5,255,251.20 : 7,884,043.20 = 2,414,678.40 : x - Step 2: Convert to fraction form
5,255,251.20/7,884,043.20 = 2,414,678.40/x - Step 3: Cross multiply
5,255,251.20x = 7,884,043.20 × 2,414,678.40 - Step 4: Simplify right side
5,255,251.20x = 19,037,428,819,706.88 - Step 5: Solve for x
x = 19,037,428,819,706.88/5,255,251.20 - Step 6: Final answer
x = 3,622,553.54
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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.