Finding the Fourth Proportional to 4,453,260.72, 6,678,972.36 and 2,176,447.92
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Solution
The fourth proportional to 4,453,260.72, 6,678,972.36 and 2,176,447.92 is: 3,264,222.87
Step by Step Solution
- Step 1: Write the proportion equation
4,453,260.72 : 6,678,972.36 = 2,176,447.92 : x - Step 2: Convert to fraction form
4,453,260.72/6,678,972.36 = 2,176,447.92/x - Step 3: Cross multiply
4,453,260.72x = 6,678,972.36 × 2,176,447.92 - Step 4: Simplify right side
4,453,260.72x = 14,536,435,500,659.49 - Step 5: Solve for x
x = 14,536,435,500,659.49/4,453,260.72 - Step 6: Final answer
x = 3,264,222.87
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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.