Finding the Fourth Proportional to 5,398,586.28, 8,097,894.78 and 1,560,721.12
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Solution
The fourth proportional to 5,398,586.28, 8,097,894.78 and 1,560,721.12 is: 2,341,086.12
Step by Step Solution
- Step 1: Write the proportion equation
5,398,586.28 : 8,097,894.78 = 1,560,721.12 : x - Step 2: Convert to fraction form
5,398,586.28/8,097,894.78 = 1,560,721.12/x - Step 3: Cross multiply
5,398,586.28x = 8,097,894.78 × 1,560,721.12 - Step 4: Simplify right side
5,398,586.28x = 12,638,555,410,683.76 - Step 5: Solve for x
x = 12,638,555,410,683.76/5,398,586.28 - Step 6: Final answer
x = 2,341,086.12
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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.