Finding the Fourth Proportional to 4,458,548.40, 6,689,896.20 and 2,331,034.80
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Solution
The fourth proportional to 4,458,548.40, 6,689,896.20 and 2,331,034.80 is: 3,497,636.33
Step by Step Solution
- Step 1: Write the proportion equation
4,458,548.40 : 6,689,896.20 = 2,331,034.80 : x - Step 2: Convert to fraction form
4,458,548.40/6,689,896.20 = 2,331,034.80/x - Step 3: Cross multiply
4,458,548.40x = 6,689,896.20 × 2,331,034.80 - Step 4: Simplify right side
4,458,548.40x = 15,594,380,850,587.76 - Step 5: Solve for x
x = 15,594,380,850,587.76/4,458,548.40 - Step 6: Final answer
x = 3,497,636.33
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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.