Finding the Fourth Proportional to 5,335,246.36, 7,362,638.94 and 2,887,856.92
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Solution
The fourth proportional to 5,335,246.36, 7,362,638.94 and 2,887,856.92 is: 3,985,241.99
Step by Step Solution
- Step 1: Write the proportion equation
5,335,246.36 : 7,362,638.94 = 2,887,856.92 : x - Step 2: Convert to fraction form
5,335,246.36/7,362,638.94 = 2,887,856.92/x - Step 3: Cross multiply
5,335,246.36x = 7,362,638.94 × 2,887,856.92 - Step 4: Simplify right side
5,335,246.36x = 21,262,247,812,340.46 - Step 5: Solve for x
x = 21,262,247,812,340.46/5,335,246.36 - Step 6: Final answer
x = 3,985,241.99
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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.