Finding the Fourth Proportional to 3,450,221.59, 4,761,338.07 and 1,901,540.02
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Solution
The fourth proportional to 3,450,221.59, 4,761,338.07 and 1,901,540.02 is: 2,624,143.02
Step by Step Solution
- Step 1: Write the proportion equation
3,450,221.59 : 4,761,338.07 = 1,901,540.02 : x - Step 2: Convert to fraction form
3,450,221.59/4,761,338.07 = 1,901,540.02/x - Step 3: Cross multiply
3,450,221.59x = 4,761,338.07 × 1,901,540.02 - Step 4: Simplify right side
3,450,221.59x = 9,053,874,888,854.56 - Step 5: Solve for x
x = 9,053,874,888,854.56/3,450,221.59 - Step 6: Final answer
x = 2,624,143.02
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1.5x scale
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.