Finding the Fourth Proportional to 3,238,960.64, 4,469,714.88 and 1,788,620
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Solution
The fourth proportional to 3,238,960.64, 4,469,714.88 and 1,788,620 is: 2,468,267.55
Step by Step Solution
- Step 1: Write the proportion equation
3,238,960.64 : 4,469,714.88 = 1,788,620 : x - Step 2: Convert to fraction form
3,238,960.64/4,469,714.88 = 1,788,620/x - Step 3: Cross multiply
3,238,960.64x = 4,469,714.88 × 1,788,620 - Step 4: Simplify right side
3,238,960.64x = 7,994,621,428,665.60 - Step 5: Solve for x
x = 7,994,621,428,665.60/3,238,960.64 - Step 6: Final answer
x = 2,468,267.55
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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.