Finding the Fourth Proportional to 5,787,216.68, 7,985,624.94 and 3,173,032.85
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Solution
The fourth proportional to 5,787,216.68, 7,985,624.94 and 3,173,032.85 is: 4,378,382.85
Step by Step Solution
- Step 1: Write the proportion equation
5,787,216.68 : 7,985,624.94 = 3,173,032.85 : x - Step 2: Convert to fraction form
5,787,216.68/7,985,624.94 = 3,173,032.85/x - Step 3: Cross multiply
5,787,216.68x = 7,985,624.94 × 3,173,032.85 - Step 4: Simplify right side
5,787,216.68x = 25,338,650,222,471.16 - Step 5: Solve for x
x = 25,338,650,222,471.16/5,787,216.68 - Step 6: Final answer
x = 4,378,382.85
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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.