Finding the Fourth Proportional to 1,516,132.28, 2,274,189.12 and 378,888.62
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Solution
The fourth proportional to 1,516,132.28, 2,274,189.12 and 378,888.62 is: 568,330.61
Step by Step Solution
- Step 1: Write the proportion equation
1,516,132.28 : 2,274,189.12 = 378,888.62 : x - Step 2: Convert to fraction form
1,516,132.28/2,274,189.12 = 378,888.62/x - Step 3: Cross multiply
1,516,132.28x = 2,274,189.12 × 378,888.62 - Step 4: Simplify right side
1,516,132.28x = 861,664,377,295.82 - Step 5: Solve for x
x = 861,664,377,295.82/1,516,132.28 - Step 6: Final answer
x = 568,330.61
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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.