Finding the Fourth Proportional to 6,245,636.60, 9,371,954.10 and 2,650,791.80
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Solution
The fourth proportional to 6,245,636.60, 9,371,954.10 and 2,650,791.80 is: 3,977,672.84
Step by Step Solution
- Step 1: Write the proportion equation
6,245,636.60 : 9,371,954.10 = 2,650,791.80 : x - Step 2: Convert to fraction form
6,245,636.60/9,371,954.10 = 2,650,791.80/x - Step 3: Cross multiply
6,245,636.60x = 9,371,954.10 × 2,650,791.80 - Step 4: Simplify right side
6,245,636.60x = 24,843,099,078,256.38 - Step 5: Solve for x
x = 24,843,099,078,256.38/6,245,636.60 - Step 6: Final answer
x = 3,977,672.84
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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.