Finding the Fourth Proportional to 4,089,939.40, 6,135,830.70 and 2,406,176.20
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Solution
The fourth proportional to 4,089,939.40, 6,135,830.70 and 2,406,176.20 is: 3,609,806.49
Step by Step Solution
- Step 1: Write the proportion equation
4,089,939.40 : 6,135,830.70 = 2,406,176.20 : x - Step 2: Convert to fraction form
4,089,939.40/6,135,830.70 = 2,406,176.20/x - Step 3: Cross multiply
4,089,939.40x = 6,135,830.70 × 2,406,176.20 - Step 4: Simplify right side
4,089,939.40x = 14,763,889,797,569.34 - Step 5: Solve for x
x = 14,763,889,797,569.34/4,089,939.40 - Step 6: Final answer
x = 3,609,806.49
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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.