Finding the Fourth Proportional to 2,047,588.26, 2,825,649.57 and 1,129,856.07
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Solution
The fourth proportional to 2,047,588.26, 2,825,649.57 and 1,129,856.07 is: 1,559,189.11
Step by Step Solution
- Step 1: Write the proportion equation
2,047,588.26 : 2,825,649.57 = 1,129,856.07 : x - Step 2: Convert to fraction form
2,047,588.26/2,825,649.57 = 1,129,856.07/x - Step 3: Cross multiply
2,047,588.26x = 2,825,649.57 × 1,129,856.07 - Step 4: Simplify right side
2,047,588.26x = 3,192,577,318,357.39 - Step 5: Solve for x
x = 3,192,577,318,357.39/2,047,588.26 - Step 6: Final answer
x = 1,559,189.11
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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.