Finding the Fourth Proportional to 3,450,108.81, 4,761,182.73 and 1,901,427.14
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Solution
The fourth proportional to 3,450,108.81, 4,761,182.73 and 1,901,427.14 is: 2,623,987.40
Step by Step Solution
- Step 1: Write the proportion equation
3,450,108.81 : 4,761,182.73 = 1,901,427.14 : x - Step 2: Convert to fraction form
3,450,108.81/4,761,182.73 = 1,901,427.14/x - Step 3: Cross multiply
3,450,108.81x = 4,761,182.73 × 1,901,427.14 - Step 4: Simplify right side
3,450,108.81x = 9,053,042,037,515.38 - Step 5: Solve for x
x = 9,053,042,037,515.38/3,450,108.81 - Step 6: Final answer
x = 2,623,987.40
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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.