Finding the Fourth Proportional to 1,384,226.26, 1,910,236.92 and 772,367.92
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Solution
The fourth proportional to 1,384,226.26, 1,910,236.92 and 772,367.92 is: 1,065,870.34
Step by Step Solution
- Step 1: Write the proportion equation
1,384,226.26 : 1,910,236.92 = 772,367.92 : x - Step 2: Convert to fraction form
1,384,226.26/1,910,236.92 = 772,367.92/x - Step 3: Cross multiply
1,384,226.26x = 1,910,236.92 × 772,367.92 - Step 4: Simplify right side
1,384,226.26x = 1,475,405,716,607.61 - Step 5: Solve for x
x = 1,475,405,716,607.61/1,384,226.26 - Step 6: Final answer
x = 1,065,870.34
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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.