Finding the Fourth Proportional to 3,474,726.93, 5,211,861.64 and 1,200,283.99
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Solution
The fourth proportional to 3,474,726.93, 5,211,861.64 and 1,200,283.99 is: 1,800,346.96
Step by Step Solution
- Step 1: Write the proportion equation
3,474,726.93 : 5,211,861.64 = 1,200,283.99 : x - Step 2: Convert to fraction form
3,474,726.93/5,211,861.64 = 1,200,283.99/x - Step 3: Cross multiply
3,474,726.93x = 5,211,861.64 × 1,200,283.99 - Step 4: Simplify right side
3,474,726.93x = 6,255,714,068,556.78 - Step 5: Solve for x
x = 6,255,714,068,556.78/3,474,726.93 - Step 6: Final answer
x = 1,800,346.96
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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.