Finding the Fourth Proportional to 3,466,780.12, 5,195,911.12 and 1,947,268.92
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Solution
The fourth proportional to 3,466,780.12, 5,195,911.12 and 1,947,268.92 is: 2,918,511.09
Step by Step Solution
- Step 1: Write the proportion equation
3,466,780.12 : 5,195,911.12 = 1,947,268.92 : x - Step 2: Convert to fraction form
3,466,780.12/5,195,911.12 = 1,947,268.92/x - Step 3: Cross multiply
3,466,780.12x = 5,195,911.12 × 1,947,268.92 - Step 4: Simplify right side
3,466,780.12x = 10,117,836,230,190.22 - Step 5: Solve for x
x = 10,117,836,230,190.22/3,466,780.12 - Step 6: Final answer
x = 2,918,511.09
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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.