Finding the Fourth Proportional to 2,777,243.60, 4,168,975.80 and 2,148,942.80
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Solution
The fourth proportional to 2,777,243.60, 4,168,975.80 and 2,148,942.80 is: 3,225,820.93
Step by Step Solution
- Step 1: Write the proportion equation
2,777,243.60 : 4,168,975.80 = 2,148,942.80 : x - Step 2: Convert to fraction form
2,777,243.60/4,168,975.80 = 2,148,942.80/x - Step 3: Cross multiply
2,777,243.60x = 4,168,975.80 × 2,148,942.80 - Step 4: Simplify right side
2,777,243.60x = 8,958,890,528,784.24 - Step 5: Solve for x
x = 8,958,890,528,784.24/2,777,243.60 - Step 6: Final answer
x = 3,225,820.93
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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.