Finding the Fourth Proportional to 5,398,251.20, 8,097,376.80 and 1,409,163.20
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Solution
The fourth proportional to 5,398,251.20, 8,097,376.80 and 1,409,163.20 is: 2,113,744.80
Step by Step Solution
- Step 1: Write the proportion equation
5,398,251.20 : 8,097,376.80 = 1,409,163.20 : x - Step 2: Convert to fraction form
5,398,251.20/8,097,376.80 = 1,409,163.20/x - Step 3: Cross multiply
5,398,251.20x = 8,097,376.80 × 1,409,163.20 - Step 4: Simplify right side
5,398,251.20x = 11,410,525,403,093.76 - Step 5: Solve for x
x = 11,410,525,403,093.76/5,398,251.20 - Step 6: Final answer
x = 2,113,744.80
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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.