Finding the Fourth Proportional to 4,012,234.16, 6,012,637.70 and 1,988,482.77
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Solution
The fourth proportional to 4,012,234.16, 6,012,637.70 and 1,988,482.77 is: 2,979,892.50
Step by Step Solution
- Step 1: Write the proportion equation
4,012,234.16 : 6,012,637.70 = 1,988,482.77 : x - Step 2: Convert to fraction form
4,012,234.16/6,012,637.70 = 1,988,482.77/x - Step 3: Cross multiply
4,012,234.16x = 6,012,637.70 × 1,988,482.77 - Step 4: Simplify right side
4,012,234.16x = 11,956,026,458,760.02 - Step 5: Solve for x
x = 11,956,026,458,760.02/4,012,234.16 - Step 6: Final answer
x = 2,979,892.50
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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.