Finding the Fourth Proportional to 5,372,991.70, 8,059,487.55 and 4,743,135.70
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Solution
The fourth proportional to 5,372,991.70, 8,059,487.55 and 4,743,135.70 is: 7,114,703.55
Step by Step Solution
- Step 1: Write the proportion equation
5,372,991.70 : 8,059,487.55 = 4,743,135.70 : x - Step 2: Convert to fraction form
5,372,991.70/8,059,487.55 = 4,743,135.70/x - Step 3: Cross multiply
5,372,991.70x = 8,059,487.55 × 4,743,135.70 - Step 4: Simplify right side
5,372,991.70x = 38,227,243,122,110.54 - Step 5: Solve for x
x = 38,227,243,122,110.54/5,372,991.70 - Step 6: Final answer
x = 7,114,703.55
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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.