Finding the Fourth Proportional to 7,211,523.99, 10,817,311.52 and 1,746,622.47
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Solution
The fourth proportional to 7,211,523.99, 10,817,311.52 and 1,746,622.47 is: 2,619,939.89
Step by Step Solution
- Step 1: Write the proportion equation
7,211,523.99 : 10,817,311.52 = 1,746,622.47 : x - Step 2: Convert to fraction form
7,211,523.99/10,817,311.52 = 1,746,622.47/x - Step 3: Cross multiply
7,211,523.99x = 10,817,311.52 × 1,746,622.47 - Step 4: Simplify right side
7,211,523.99x = 18,893,759,365,821.85 - Step 5: Solve for x
x = 18,893,759,365,821.85/7,211,523.99 - Step 6: Final answer
x = 2,619,939.89
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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.