Finding the Fourth Proportional to 5,432,592.70, 8,149,873.20 and 2,730,116.80
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Solution
The fourth proportional to 5,432,592.70, 8,149,873.20 and 2,730,116.80 is: 4,095,669.78
Step by Step Solution
- Step 1: Write the proportion equation
5,432,592.70 : 8,149,873.20 = 2,730,116.80 : x - Step 2: Convert to fraction form
5,432,592.70/8,149,873.20 = 2,730,116.80/x - Step 3: Cross multiply
5,432,592.70x = 8,149,873.20 × 2,730,116.80 - Step 4: Simplify right side
5,432,592.70x = 22,250,105,741,189.76 - Step 5: Solve for x
x = 22,250,105,741,189.76/5,432,592.70 - Step 6: Final answer
x = 4,095,669.78
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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.