Finding the Fourth Proportional to 2,888,634.81, 3,986,436.26 and 1,599,475.16
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Solution
The fourth proportional to 2,888,634.81, 3,986,436.26 and 1,599,475.16 is: 2,207,342.29
Step by Step Solution
- Step 1: Write the proportion equation
2,888,634.81 : 3,986,436.26 = 1,599,475.16 : x - Step 2: Convert to fraction form
2,888,634.81/3,986,436.26 = 1,599,475.16/x - Step 3: Cross multiply
2,888,634.81x = 3,986,436.26 × 1,599,475.16 - Step 4: Simplify right side
2,888,634.81x = 6,376,205,766,334.38 - Step 5: Solve for x
x = 6,376,205,766,334.38/2,888,634.81 - Step 6: Final answer
x = 2,207,342.29
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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.