Finding the Fourth Proportional to 5,605,428.36, 7,735,491.02 and 3,027,109.02
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Solution
The fourth proportional to 5,605,428.36, 7,735,491.02 and 3,027,109.02 is: 4,177,410.38
Step by Step Solution
- Step 1: Write the proportion equation
5,605,428.36 : 7,735,491.02 = 3,027,109.02 : x - Step 2: Convert to fraction form
5,605,428.36/7,735,491.02 = 3,027,109.02/x - Step 3: Cross multiply
5,605,428.36x = 7,735,491.02 × 3,027,109.02 - Step 4: Simplify right side
5,605,428.36x = 23,416,174,640,771 - Step 5: Solve for x
x = 23,416,174,640,771/5,605,428.36 - Step 6: Final answer
x = 4,177,410.38
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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.