Finding the Fourth Proportional to 3,888,022.20, 5,832,033.30 and 2,612,563.80
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Solution
The fourth proportional to 3,888,022.20, 5,832,033.30 and 2,612,563.80 is: 3,918,845.70
Step by Step Solution
- Step 1: Write the proportion equation
3,888,022.20 : 5,832,033.30 = 2,612,563.80 : x - Step 2: Convert to fraction form
3,888,022.20/5,832,033.30 = 2,612,563.80/x - Step 3: Cross multiply
3,888,022.20x = 5,832,033.30 × 2,612,563.80 - Step 4: Simplify right side
3,888,022.20x = 15,236,559,079,974.54 - Step 5: Solve for x
x = 15,236,559,079,974.54/3,888,022.20 - Step 6: Final answer
x = 3,918,845.70
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1.5x scale
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.