Finding the Fourth Proportional to 3,221,436.32, 4,821,640.08 and 2,368,282.08
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Solution
The fourth proportional to 3,221,436.32, 4,821,640.08 and 2,368,282.08 is: 3,544,693.32
Step by Step Solution
- Step 1: Write the proportion equation
3,221,436.32 : 4,821,640.08 = 2,368,282.08 : x - Step 2: Convert to fraction form
3,221,436.32/4,821,640.08 = 2,368,282.08/x - Step 3: Cross multiply
3,221,436.32x = 4,821,640.08 × 2,368,282.08 - Step 4: Simplify right side
3,221,436.32x = 11,419,003,797,673.77 - Step 5: Solve for x
x = 11,419,003,797,673.77/3,221,436.32 - Step 6: Final answer
x = 3,544,693.32
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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.