Finding the Fourth Proportional to 1,512,189.53, 2,266,529.25 and 612,512.42
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Solution
The fourth proportional to 1,512,189.53, 2,266,529.25 and 612,512.42 is: 918,057.75
Step by Step Solution
- Step 1: Write the proportion equation
1,512,189.53 : 2,266,529.25 = 612,512.42 : x - Step 2: Convert to fraction form
1,512,189.53/2,266,529.25 = 612,512.42/x - Step 3: Cross multiply
1,512,189.53x = 2,266,529.25 × 612,512.42 - Step 4: Simplify right side
1,512,189.53x = 1,388,277,315,918.29 - Step 5: Solve for x
x = 1,388,277,315,918.29/1,512,189.53 - Step 6: Final answer
x = 918,057.75
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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.