Finding the Fourth Proportional to 3,959,552.86, 5,464,182.98 and 2,148,716.86
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Solution
The fourth proportional to 3,959,552.86, 5,464,182.98 and 2,148,716.86 is: 2,965,229.28
Step by Step Solution
- Step 1: Write the proportion equation
3,959,552.86 : 5,464,182.98 = 2,148,716.86 : x - Step 2: Convert to fraction form
3,959,552.86/5,464,182.98 = 2,148,716.86/x - Step 3: Cross multiply
3,959,552.86x = 5,464,182.98 × 2,148,716.86 - Step 4: Simplify right side
3,959,552.86x = 11,740,982,067,930.13 - Step 5: Solve for x
x = 11,740,982,067,930.13/3,959,552.86 - Step 6: Final answer
x = 2,965,229.28
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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.