Finding the Fourth Proportional to 2,915,260.20, 4,372,890.30 and 2,525,536.80
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Solution
The fourth proportional to 2,915,260.20, 4,372,890.30 and 2,525,536.80 is: 3,788,305.20
Step by Step Solution
- Step 1: Write the proportion equation
2,915,260.20 : 4,372,890.30 = 2,525,536.80 : x - Step 2: Convert to fraction form
2,915,260.20/4,372,890.30 = 2,525,536.80/x - Step 3: Cross multiply
2,915,260.20x = 4,372,890.30 × 2,525,536.80 - Step 4: Simplify right side
2,915,260.20x = 11,043,895,375,013.04 - Step 5: Solve for x
x = 11,043,895,375,013.04/2,915,260.20 - Step 6: Final answer
x = 3,788,305.20
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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.