Finding the Fourth Proportional to 1,354,003.25, 2,031,105.11 and 455,441.49
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Solution
The fourth proportional to 1,354,003.25, 2,031,105.11 and 455,441.49 is: 683,195.95
Step by Step Solution
- Step 1: Write the proportion equation
1,354,003.25 : 2,031,105.11 = 455,441.49 : x - Step 2: Convert to fraction form
1,354,003.25/2,031,105.11 = 455,441.49/x - Step 3: Cross multiply
1,354,003.25x = 2,031,105.11 × 455,441.49 - Step 4: Simplify right side
1,354,003.25x = 925,049,535,367.81 - Step 5: Solve for x
x = 925,049,535,367.81/1,354,003.25 - Step 6: Final answer
x = 683,195.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.