Finding the Fourth Proportional to 4,876,569.88, 6,729,735.90 and 2,811,544.54
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Solution
The fourth proportional to 4,876,569.88, 6,729,735.90 and 2,811,544.54 is: 3,879,971.51
Step by Step Solution
- Step 1: Write the proportion equation
4,876,569.88 : 6,729,735.90 = 2,811,544.54 : x - Step 2: Convert to fraction form
4,876,569.88/6,729,735.90 = 2,811,544.54/x - Step 3: Cross multiply
4,876,569.88x = 6,729,735.90 × 2,811,544.54 - Step 4: Simplify right side
4,876,569.88x = 18,920,952,225,286.99 - Step 5: Solve for x
x = 18,920,952,225,286.99/4,876,569.88 - Step 6: Final answer
x = 3,879,971.51
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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.