Finding the Fourth Proportional to 4,019,107.12, 5,546,430.75 and 2,183,601.76
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Solution
The fourth proportional to 4,019,107.12, 5,546,430.75 and 2,183,601.76 is: 3,013,404.62
Step by Step Solution
- Step 1: Write the proportion equation
4,019,107.12 : 5,546,430.75 = 2,183,601.76 : x - Step 2: Convert to fraction form
4,019,107.12/5,546,430.75 = 2,183,601.76/x - Step 3: Cross multiply
4,019,107.12x = 5,546,430.75 × 2,183,601.76 - Step 4: Simplify right side
4,019,107.12x = 12,111,195,947,418.12 - Step 5: Solve for x
x = 12,111,195,947,418.12/4,019,107.12 - Step 6: Final answer
x = 3,013,404.62
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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.