Finding the Fourth Proportional to 2,217,452.11, 3,057,311.28 and 1,850,457.99
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Solution
The fourth proportional to 2,217,452.11, 3,057,311.28 and 1,850,457.99 is: 2,551,318.27
Step by Step Solution
- Step 1: Write the proportion equation
2,217,452.11 : 3,057,311.28 = 1,850,457.99 : x - Step 2: Convert to fraction form
2,217,452.11/3,057,311.28 = 1,850,457.99/x - Step 3: Cross multiply
2,217,452.11x = 3,057,311.28 × 1,850,457.99 - Step 4: Simplify right side
2,217,452.11x = 5,657,426,085,993.13 - Step 5: Solve for x
x = 5,657,426,085,993.13/2,217,452.11 - Step 6: Final answer
x = 2,551,318.27
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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.