Finding the Fourth Proportional to 4,495,414.20, 6,743,121.30 and 4,467,420.60
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Solution
The fourth proportional to 4,495,414.20, 6,743,121.30 and 4,467,420.60 is: 6,701,130.90
Step by Step Solution
- Step 1: Write the proportion equation
4,495,414.20 : 6,743,121.30 = 4,467,420.60 : x - Step 2: Convert to fraction form
4,495,414.20/6,743,121.30 = 4,467,420.60/x - Step 3: Cross multiply
4,495,414.20x = 6,743,121.30 × 4,467,420.60 - Step 4: Simplify right side
4,495,414.20x = 30,124,359,003,918.78 - Step 5: Solve for x
x = 30,124,359,003,918.78/4,495,414.20 - Step 6: Final answer
x = 6,701,130.90
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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.