Finding the Fourth Proportional to 1,508,806.44, 2,082,111.36 and 829,742.96
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Solution
The fourth proportional to 1,508,806.44, 2,082,111.36 and 829,742.96 is: 1,145,022.45
Step by Step Solution
- Step 1: Write the proportion equation
1,508,806.44 : 2,082,111.36 = 829,742.96 : x - Step 2: Convert to fraction form
1,508,806.44/2,082,111.36 = 829,742.96/x - Step 3: Cross multiply
1,508,806.44x = 2,082,111.36 × 829,742.96 - Step 4: Simplify right side
1,508,806.44x = 1,727,617,242,896.03 - Step 5: Solve for x
x = 1,727,617,242,896.03/1,508,806.44 - Step 6: Final answer
x = 1,145,022.45
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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.