Finding the Fourth Proportional to 2,629,102.41, 3,628,163.75 and 1,421,878.41
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Solution
The fourth proportional to 2,629,102.41, 3,628,163.75 and 1,421,878.41 is: 1,962,193.51
Step by Step Solution
- Step 1: Write the proportion equation
2,629,102.41 : 3,628,163.75 = 1,421,878.41 : x - Step 2: Convert to fraction form
2,629,102.41/3,628,163.75 = 1,421,878.41/x - Step 3: Cross multiply
2,629,102.41x = 3,628,163.75 × 1,421,878.41 - Step 4: Simplify right side
2,629,102.41x = 5,158,807,696,960.25 - Step 5: Solve for x
x = 5,158,807,696,960.25/2,629,102.41 - Step 6: Final answer
x = 1,962,193.51
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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.