Finding the Fourth Proportional to 3,915,759.96, 5,393,680.38 and 2,767,866.84
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Solution
The fourth proportional to 3,915,759.96, 5,393,680.38 and 2,767,866.84 is: 3,812,539.38
Step by Step Solution
- Step 1: Write the proportion equation
3,915,759.96 : 5,393,680.38 = 2,767,866.84 : x - Step 2: Convert to fraction form
3,915,759.96/5,393,680.38 = 2,767,866.84/x - Step 3: Cross multiply
3,915,759.96x = 5,393,680.38 × 2,767,866.84 - Step 4: Simplify right side
3,915,759.96x = 14,928,989,069,360.60 - Step 5: Solve for x
x = 14,928,989,069,360.60/3,915,759.96 - Step 6: Final answer
x = 3,812,539.38
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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.