Finding the Fourth Proportional to 4,946,720.20, 7,409,582.70 and 4,106,912.20
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Solution
The fourth proportional to 4,946,720.20, 7,409,582.70 and 4,106,912.20 is: 6,151,652.88
Step by Step Solution
- Step 1: Write the proportion equation
4,946,720.20 : 7,409,582.70 = 4,106,912.20 : x - Step 2: Convert to fraction form
4,946,720.20/7,409,582.70 = 4,106,912.20/x - Step 3: Cross multiply
4,946,720.20x = 7,409,582.70 × 4,106,912.20 - Step 4: Simplify right side
4,946,720.20x = 30,430,505,587,538.94 - Step 5: Solve for x
x = 30,430,505,587,538.94/4,946,720.20 - Step 6: Final answer
x = 6,151,652.88
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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.