Finding the Fourth Proportional to 2,629,102.16, 3,628,163.40 and 1,421,878.16
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Solution
The fourth proportional to 2,629,102.16, 3,628,163.40 and 1,421,878.16 is: 1,962,193.17
Step by Step Solution
- Step 1: Write the proportion equation
2,629,102.16 : 3,628,163.40 = 1,421,878.16 : x - Step 2: Convert to fraction form
2,629,102.16/3,628,163.40 = 1,421,878.16/x - Step 3: Cross multiply
2,629,102.16x = 3,628,163.40 × 1,421,878.16 - Step 4: Simplify right side
2,629,102.16x = 5,158,806,299,371.34 - Step 5: Solve for x
x = 5,158,806,299,371.34/2,629,102.16 - Step 6: Final answer
x = 1,962,193.17
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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.