Finding the Fourth Proportional to 4,477,188.80, 6,178,739.60 and 2,517,683.56
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Solution
The fourth proportional to 4,477,188.80, 6,178,739.60 and 2,517,683.56 is: 3,474,526.50
Step by Step Solution
- Step 1: Write the proportion equation
4,477,188.80 : 6,178,739.60 = 2,517,683.56 : x - Step 2: Convert to fraction form
4,477,188.80/6,178,739.60 = 2,517,683.56/x - Step 3: Cross multiply
4,477,188.80x = 6,178,739.60 × 2,517,683.56 - Step 4: Simplify right side
4,477,188.80x = 15,556,111,112,440.97 - Step 5: Solve for x
x = 15,556,111,112,440.97/4,477,188.80 - Step 6: Final answer
x = 3,474,526.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.