Finding the Fourth Proportional to 4,087,729.31, 5,641,194.32 and 2,345,717.68
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Solution
The fourth proportional to 4,087,729.31, 5,641,194.32 and 2,345,717.68 is: 3,237,163.78
Step by Step Solution
- Step 1: Write the proportion equation
4,087,729.31 : 5,641,194.32 = 2,345,717.68 : x - Step 2: Convert to fraction form
4,087,729.31/5,641,194.32 = 2,345,717.68/x - Step 3: Cross multiply
4,087,729.31x = 5,641,194.32 × 2,345,717.68 - Step 4: Simplify right side
4,087,729.31x = 13,232,649,248,899.11 - Step 5: Solve for x
x = 13,232,649,248,899.11/4,087,729.31 - Step 6: Final answer
x = 3,237,163.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.