Finding the Fourth Proportional to 1,782,911.09, 2,457,687.23 and 1,093,304.12
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Solution
The fourth proportional to 1,782,911.09, 2,457,687.23 and 1,093,304.12 is: 1,507,085.57
Step by Step Solution
- Step 1: Write the proportion equation
1,782,911.09 : 2,457,687.23 = 1,093,304.12 : x - Step 2: Convert to fraction form
1,782,911.09/2,457,687.23 = 1,093,304.12/x - Step 3: Cross multiply
1,782,911.09x = 2,457,687.23 × 1,093,304.12 - Step 4: Simplify right side
1,782,911.09x = 2,686,999,572,480.97 - Step 5: Solve for x
x = 2,686,999,572,480.97/1,782,911.09 - Step 6: Final answer
x = 1,507,085.57
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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.