Finding the Fourth Proportional to 4,968,906.15, 6,856,930.76 and 2,793,540.63
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Solution
The fourth proportional to 4,968,906.15, 6,856,930.76 and 2,793,540.63 is: 3,854,996.27
Step by Step Solution
- Step 1: Write the proportion equation
4,968,906.15 : 6,856,930.76 = 2,793,540.63 : x - Step 2: Convert to fraction form
4,968,906.15/6,856,930.76 = 2,793,540.63/x - Step 3: Cross multiply
4,968,906.15x = 6,856,930.76 × 2,793,540.63 - Step 4: Simplify right side
4,968,906.15x = 19,155,114,661,189.07 - Step 5: Solve for x
x = 19,155,114,661,189.07/4,968,906.15 - Step 6: Final answer
x = 3,854,996.27
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.