Finding the Fourth Proportional to 4,654,684.20, 6,982,026.30 and 1,288,891.20
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Solution
The fourth proportional to 4,654,684.20, 6,982,026.30 and 1,288,891.20 is: 1,933,336.80
Step by Step Solution
- Step 1: Write the proportion equation
4,654,684.20 : 6,982,026.30 = 1,288,891.20 : x - Step 2: Convert to fraction form
4,654,684.20/6,982,026.30 = 1,288,891.20/x - Step 3: Cross multiply
4,654,684.20x = 6,982,026.30 × 1,288,891.20 - Step 4: Simplify right side
4,654,684.20x = 8,999,072,256,238.56 - Step 5: Solve for x
x = 8,999,072,256,238.56/4,654,684.20 - Step 6: Final answer
x = 1,933,336.80
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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.