Finding the Fourth Proportional to 1,457,755.09, 2,187,264.12 and 783,049.12
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Solution
The fourth proportional to 1,457,755.09, 2,187,264.12 and 783,049.12 is: 1,174,912.89
Step by Step Solution
- Step 1: Write the proportion equation
1,457,755.09 : 2,187,264.12 = 783,049.12 : x - Step 2: Convert to fraction form
1,457,755.09/2,187,264.12 = 783,049.12/x - Step 3: Cross multiply
1,457,755.09x = 2,187,264.12 × 783,049.12 - Step 4: Simplify right side
1,457,755.09x = 1,712,735,244,373.57 - Step 5: Solve for x
x = 1,712,735,244,373.57/1,457,755.09 - Step 6: Final answer
x = 1,174,912.89
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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.