Finding the Fourth Proportional to 7,179,558.26, 10,769,430.85 and 2,387,247.53
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Solution
The fourth proportional to 7,179,558.26, 10,769,430.85 and 2,387,247.53 is: 3,580,902.37
Step by Step Solution
- Step 1: Write the proportion equation
7,179,558.26 : 10,769,430.85 = 2,387,247.53 : x - Step 2: Convert to fraction form
7,179,558.26/10,769,430.85 = 2,387,247.53/x - Step 3: Cross multiply
7,179,558.26x = 10,769,430.85 × 2,387,247.53 - Step 4: Simplify right side
7,179,558.26x = 25,709,297,136,353.03 - Step 5: Solve for x
x = 25,709,297,136,353.03/7,179,558.26 - Step 6: Final answer
x = 3,580,902.37
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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.