Finding the Fourth Proportional to 3,943,471.93, 5,442,007.66 and 2,132,635.93
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Solution
The fourth proportional to 3,943,471.93, 5,442,007.66 and 2,132,635.93 is: 2,943,046.45
Step by Step Solution
- Step 1: Write the proportion equation
3,943,471.93 : 5,442,007.66 = 2,132,635.93 : x - Step 2: Convert to fraction form
3,943,471.93/5,442,007.66 = 2,132,635.93/x - Step 3: Cross multiply
3,943,471.93x = 5,442,007.66 × 2,132,635.93 - Step 4: Simplify right side
3,943,471.93x = 11,605,821,067,051.22 - Step 5: Solve for x
x = 11,605,821,067,051.22/3,943,471.93 - Step 6: Final answer
x = 2,943,046.45
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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.