Finding the Fourth Proportional to 1,475,249.38, 2,035,906.97 and 821,875.03
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Solution
The fourth proportional to 1,475,249.38, 2,035,906.97 and 821,875.03 is: 1,134,222.54
Step by Step Solution
- Step 1: Write the proportion equation
1,475,249.38 : 2,035,906.97 = 821,875.03 : x - Step 2: Convert to fraction form
1,475,249.38/2,035,906.97 = 821,875.03/x - Step 3: Cross multiply
1,475,249.38x = 2,035,906.97 × 821,875.03 - Step 4: Simplify right side
1,475,249.38x = 1,673,261,102,045.96 - Step 5: Solve for x
x = 1,673,261,102,045.96/1,475,249.38 - Step 6: Final answer
x = 1,134,222.54
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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.