Finding the Fourth Proportional to 2,137,862, 2,950,163.16 and 1,278,896.96
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Solution
The fourth proportional to 2,137,862, 2,950,163.16 and 1,278,896.96 is: 1,764,826.12
Step by Step Solution
- Step 1: Write the proportion equation
2,137,862 : 2,950,163.16 = 1,278,896.96 : x - Step 2: Convert to fraction form
2,137,862/2,950,163.16 = 1,278,896.96/x - Step 3: Cross multiply
2,137,862x = 2,950,163.16 × 1,278,896.96 - Step 4: Simplify right side
2,137,862x = 3,772,954,696,827.99 - Step 5: Solve for x
x = 3,772,954,696,827.99/2,137,862 - Step 6: Final answer
x = 1,764,826.12
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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.