Finding the Fourth Proportional to 5,383,163.36, 8,071,492.64 and 2,145,199.04
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Solution
The fourth proportional to 5,383,163.36, 8,071,492.64 and 2,145,199.04 is: 3,216,502.47
Step by Step Solution
- Step 1: Write the proportion equation
5,383,163.36 : 8,071,492.64 = 2,145,199.04 : x - Step 2: Convert to fraction form
5,383,163.36/8,071,492.64 = 2,145,199.04/x - Step 3: Cross multiply
5,383,163.36x = 8,071,492.64 × 2,145,199.04 - Step 4: Simplify right side
5,383,163.36x = 17,314,958,262,695.06 - Step 5: Solve for x
x = 17,314,958,262,695.06/5,383,163.36 - Step 6: Final answer
x = 3,216,502.47
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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.