Finding the Fourth Proportional to 3,940,915.95, 5,911,550.09 and 1,208,266.74
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Solution
The fourth proportional to 3,940,915.95, 5,911,550.09 and 1,208,266.74 is: 1,812,454.12
Step by Step Solution
- Step 1: Write the proportion equation
3,940,915.95 : 5,911,550.09 = 1,208,266.74 : x - Step 2: Convert to fraction form
3,940,915.95/5,911,550.09 = 1,208,266.74/x - Step 3: Cross multiply
3,940,915.95x = 5,911,550.09 × 1,208,266.74 - Step 4: Simplify right side
3,940,915.95x = 7,142,729,355,591.01 - Step 5: Solve for x
x = 7,142,729,355,591.01/3,940,915.95 - Step 6: Final answer
x = 1,812,454.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.