Finding the Fourth Proportional to 2,378,259.74, 3,280,625.88 and 1,517,850.20
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Solution
The fourth proportional to 2,378,259.74, 3,280,625.88 and 1,517,850.20 is: 2,093,757.28
Step by Step Solution
- Step 1: Write the proportion equation
2,378,259.74 : 3,280,625.88 = 1,517,850.20 : x - Step 2: Convert to fraction form
2,378,259.74/3,280,625.88 = 1,517,850.20/x - Step 3: Cross multiply
2,378,259.74x = 3,280,625.88 × 1,517,850.20 - Step 4: Simplify right side
2,378,259.74x = 4,979,498,648,083.18 - Step 5: Solve for x
x = 4,979,498,648,083.18/2,378,259.74 - Step 6: Final answer
x = 2,093,757.28
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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.