Finding the Fourth Proportional to 1,467,709.40, 2,201,564.10 and 1,019,811.80
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Solution
The fourth proportional to 1,467,709.40, 2,201,564.10 and 1,019,811.80 is: 1,529,717.70
Step by Step Solution
- Step 1: Write the proportion equation
1,467,709.40 : 2,201,564.10 = 1,019,811.80 : x - Step 2: Convert to fraction form
1,467,709.40/2,201,564.10 = 1,019,811.80/x - Step 3: Cross multiply
1,467,709.40x = 2,201,564.10 × 1,019,811.80 - Step 4: Simplify right side
1,467,709.40x = 2,245,181,047,636.38 - Step 5: Solve for x
x = 2,245,181,047,636.38/1,467,709.40 - Step 6: Final answer
x = 1,529,717.70
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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.