Finding the Fourth Proportional to 1,418,882.57, 1,954,730.99 and 988,383.77
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Solution
The fourth proportional to 1,418,882.57, 1,954,730.99 and 988,383.77 is: 1,361,652.06
Step by Step Solution
- Step 1: Write the proportion equation
1,418,882.57 : 1,954,730.99 = 988,383.77 : x - Step 2: Convert to fraction form
1,418,882.57/1,954,730.99 = 988,383.77/x - Step 3: Cross multiply
1,418,882.57x = 1,954,730.99 × 988,383.77 - Step 4: Simplify right side
1,418,882.57x = 1,932,024,380,290.11 - Step 5: Solve for x
x = 1,932,024,380,290.11/1,418,882.57 - Step 6: Final answer
x = 1,361,652.06
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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.