Finding the Fourth Proportional to 5,643,738.06, 8,465,782.66 and 2,685,372.90
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Solution
The fourth proportional to 5,643,738.06, 8,465,782.66 and 2,685,372.90 is: 4,028,142.89
Step by Step Solution
- Step 1: Write the proportion equation
5,643,738.06 : 8,465,782.66 = 2,685,372.90 : x - Step 2: Convert to fraction form
5,643,738.06/8,465,782.66 = 2,685,372.90/x - Step 3: Cross multiply
5,643,738.06x = 8,465,782.66 × 2,685,372.90 - Step 4: Simplify right side
5,643,738.06x = 22,733,783,325,740.48 - Step 5: Solve for x
x = 22,733,783,325,740.48/5,643,738.06 - Step 6: Final answer
x = 4,028,142.89
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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.