Finding the Fourth Proportional to 3,715,880.40, 5,579,004.60 and 2,376,334.80
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Solution
The fourth proportional to 3,715,880.40, 5,579,004.60 and 2,376,334.80 is: 3,567,817.41
Step by Step Solution
- Step 1: Write the proportion equation
3,715,880.40 : 5,579,004.60 = 2,376,334.80 : x - Step 2: Convert to fraction form
3,715,880.40/5,579,004.60 = 2,376,334.80/x - Step 3: Cross multiply
3,715,880.40x = 5,579,004.60 × 2,376,334.80 - Step 4: Simplify right side
3,715,880.40x = 13,257,582,780,340.08 - Step 5: Solve for x
x = 13,257,582,780,340.08/3,715,880.40 - Step 6: Final answer
x = 3,567,817.41
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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.