Finding the Fourth Proportional to 4,138,174.95, 6,207,265.86 and 1,978,691.97
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Solution
The fourth proportional to 4,138,174.95, 6,207,265.86 and 1,978,691.97 is: 2,968,039.60
Step by Step Solution
- Step 1: Write the proportion equation
4,138,174.95 : 6,207,265.86 = 1,978,691.97 : x - Step 2: Convert to fraction form
4,138,174.95/6,207,265.86 = 1,978,691.97/x - Step 3: Cross multiply
4,138,174.95x = 6,207,265.86 × 1,978,691.97 - Step 4: Simplify right side
4,138,174.95x = 12,282,267,112,837.14 - Step 5: Solve for x
x = 12,282,267,112,837.14/4,138,174.95 - Step 6: Final answer
x = 2,968,039.60
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.