Finding the Fourth Proportional to 5,440,277.70, 8,160,416.55 and 3,275,439.30
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Solution
The fourth proportional to 5,440,277.70, 8,160,416.55 and 3,275,439.30 is: 4,913,158.95
Step by Step Solution
- Step 1: Write the proportion equation
5,440,277.70 : 8,160,416.55 = 3,275,439.30 : x - Step 2: Convert to fraction form
5,440,277.70/8,160,416.55 = 3,275,439.30/x - Step 3: Cross multiply
5,440,277.70x = 8,160,416.55 × 3,275,439.30 - Step 4: Simplify right side
5,440,277.70x = 26,728,949,072,240.41 - Step 5: Solve for x
x = 26,728,949,072,240.41/5,440,277.70 - Step 6: Final answer
x = 4,913,158.95
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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.