Finding the Fourth Proportional to 5,193,579.97, 7,790,000.88 and 1,598,972.09
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Solution
The fourth proportional to 5,193,579.97, 7,790,000.88 and 1,598,972.09 is: 2,398,344.51
Step by Step Solution
- Step 1: Write the proportion equation
5,193,579.97 : 7,790,000.88 = 1,598,972.09 : x - Step 2: Convert to fraction form
5,193,579.97/7,790,000.88 = 1,598,972.09/x - Step 3: Cross multiply
5,193,579.97x = 7,790,000.88 × 1,598,972.09 - Step 4: Simplify right side
5,193,579.97x = 12,455,993,988,195.44 - Step 5: Solve for x
x = 12,455,993,988,195.44/5,193,579.97 - Step 6: Final answer
x = 2,398,344.51
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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.