Finding the Fourth Proportional to 5,306,698.50, 7,960,134.18 and 1,520,166.66
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Solution
The fourth proportional to 5,306,698.50, 7,960,134.18 and 1,520,166.66 is: 2,280,274.75
Step by Step Solution
- Step 1: Write the proportion equation
5,306,698.50 : 7,960,134.18 = 1,520,166.66 : x - Step 2: Convert to fraction form
5,306,698.50/7,960,134.18 = 1,520,166.66/x - Step 3: Cross multiply
5,306,698.50x = 7,960,134.18 × 1,520,166.66 - Step 4: Simplify right side
5,306,698.50x = 12,100,730,589,562.44 - Step 5: Solve for x
x = 12,100,730,589,562.44/5,306,698.50 - Step 6: Final answer
x = 2,280,274.75
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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.