Finding the Fourth Proportional to 3,278,495.75, 4,524,324.14 and 1,920,368.75
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Solution
The fourth proportional to 3,278,495.75, 4,524,324.14 and 1,920,368.75 is: 2,650,108.88
Step by Step Solution
- Step 1: Write the proportion equation
3,278,495.75 : 4,524,324.14 = 1,920,368.75 : x - Step 2: Convert to fraction form
3,278,495.75/4,524,324.14 = 1,920,368.75/x - Step 3: Cross multiply
3,278,495.75x = 4,524,324.14 × 1,920,368.75 - Step 4: Simplify right side
3,278,495.75x = 8,688,370,683,724.78 - Step 5: Solve for x
x = 8,688,370,683,724.78/3,278,495.75 - Step 6: Final answer
x = 2,650,108.88
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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.