Finding the Fourth Proportional to 5,486,272.20, 8,234,073.90 and 2,458,297.80
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Solution
The fourth proportional to 5,486,272.20, 8,234,073.90 and 2,458,297.80 is: 3,689,537.27
Step by Step Solution
- Step 1: Write the proportion equation
5,486,272.20 : 8,234,073.90 = 2,458,297.80 : x - Step 2: Convert to fraction form
5,486,272.20/8,234,073.90 = 2,458,297.80/x - Step 3: Cross multiply
5,486,272.20x = 8,234,073.90 × 2,458,297.80 - Step 4: Simplify right side
5,486,272.20x = 20,241,805,753,407.42 - Step 5: Solve for x
x = 20,241,805,753,407.42/5,486,272.20 - Step 6: Final answer
x = 3,689,537.27
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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.