Finding the Fourth Proportional to 4,890,623.70, 7,335,935.55 and 1,694,687.70
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Solution
The fourth proportional to 4,890,623.70, 7,335,935.55 and 1,694,687.70 is: 2,542,031.55
Step by Step Solution
- Step 1: Write the proportion equation
4,890,623.70 : 7,335,935.55 = 1,694,687.70 : x - Step 2: Convert to fraction form
4,890,623.70/7,335,935.55 = 1,694,687.70/x - Step 3: Cross multiply
4,890,623.70x = 7,335,935.55 × 1,694,687.70 - Step 4: Simplify right side
4,890,623.70x = 12,432,119,744,577.73 - Step 5: Solve for x
x = 12,432,119,744,577.73/4,890,623.70 - Step 6: Final answer
x = 2,542,031.55
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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.