Finding the Fourth Proportional to 5,432,672.70, 8,149,993.20 and 2,730,196.80
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Solution
The fourth proportional to 5,432,672.70, 8,149,993.20 and 2,730,196.80 is: 4,095,789.79
Step by Step Solution
- Step 1: Write the proportion equation
5,432,672.70 : 8,149,993.20 = 2,730,196.80 : x - Step 2: Convert to fraction form
5,432,672.70/8,149,993.20 = 2,730,196.80/x - Step 3: Cross multiply
5,432,672.70x = 8,149,993.20 × 2,730,196.80 - Step 4: Simplify right side
5,432,672.70x = 22,251,085,354,661.76 - Step 5: Solve for x
x = 22,251,085,354,661.76/5,432,672.70 - Step 6: Final answer
x = 4,095,789.79
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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.