Finding the Fourth Proportional to 4,992,001.62, 7,492,251.35 and 1,961,486.65
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Solution
The fourth proportional to 4,992,001.62, 7,492,251.35 and 1,961,486.65 is: 2,943,899.49
Step by Step Solution
- Step 1: Write the proportion equation
4,992,001.62 : 7,492,251.35 = 1,961,486.65 : x - Step 2: Convert to fraction form
4,992,001.62/7,492,251.35 = 1,961,486.65/x - Step 3: Cross multiply
4,992,001.62x = 7,492,251.35 × 1,961,486.65 - Step 4: Simplify right side
4,992,001.62x = 14,695,951,015,738.51 - Step 5: Solve for x
x = 14,695,951,015,738.51/4,992,001.62 - Step 6: Final answer
x = 2,943,899.49
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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.