Finding the Fourth Proportional to 4,892,649.29, 7,338,403.69 and 1,298,695.49
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Solution
The fourth proportional to 4,892,649.29, 7,338,403.69 and 1,298,695.49 is: 1,947,891.86
Step by Step Solution
- Step 1: Write the proportion equation
4,892,649.29 : 7,338,403.69 = 1,298,695.49 : x - Step 2: Convert to fraction form
4,892,649.29/7,338,403.69 = 1,298,695.49/x - Step 3: Cross multiply
4,892,649.29x = 7,338,403.69 × 1,298,695.49 - Step 4: Simplify right side
4,892,649.29x = 9,530,351,736,063.60 - Step 5: Solve for x
x = 9,530,351,736,063.60/4,892,649.29 - Step 6: Final answer
x = 1,947,891.86
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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.