Finding the Fourth Proportional to 992,808.48, 1,477,983.84 and 986,903.68
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Solution
The fourth proportional to 992,808.48, 1,477,983.84 and 986,903.68 is: 1,469,193.42
Step by Step Solution
- Step 1: Write the proportion equation
992,808.48 : 1,477,983.84 = 986,903.68 : x - Step 2: Convert to fraction form
992,808.48/1,477,983.84 = 986,903.68/x - Step 3: Cross multiply
992,808.48x = 1,477,983.84 × 986,903.68 - Step 4: Simplify right side
992,808.48x = 1,458,627,690,676.53 - Step 5: Solve for x
x = 1,458,627,690,676.53/992,808.48 - Step 6: Final answer
x = 1,469,193.42
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.