Finding the Fourth Proportional to 5,694,371.12, 7,858,386.52 and 3,489,195.80
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Solution
The fourth proportional to 5,694,371.12, 7,858,386.52 and 3,489,195.80 is: 4,815,184.80
Step by Step Solution
- Step 1: Write the proportion equation
5,694,371.12 : 7,858,386.52 = 3,489,195.80 : x - Step 2: Convert to fraction form
5,694,371.12/7,858,386.52 = 3,489,195.80/x - Step 3: Cross multiply
5,694,371.12x = 7,858,386.52 × 3,489,195.80 - Step 4: Simplify right side
5,694,371.12x = 27,419,449,240,360.61 - Step 5: Solve for x
x = 27,419,449,240,360.61/5,694,371.12 - Step 6: Final answer
x = 4,815,184.80
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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.