Finding the Fourth Proportional to 5,777,522.19, 7,972,883.20 and 3,199,147.60
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Solution
The fourth proportional to 5,777,522.19, 7,972,883.20 and 3,199,147.60 is: 4,414,769.74
Step by Step Solution
- Step 1: Write the proportion equation
5,777,522.19 : 7,972,883.20 = 3,199,147.60 : x - Step 2: Convert to fraction form
5,777,522.19/7,972,883.20 = 3,199,147.60/x - Step 3: Cross multiply
5,777,522.19x = 7,972,883.20 × 3,199,147.60 - Step 4: Simplify right side
5,777,522.19x = 25,506,430,154,360.32 - Step 5: Solve for x
x = 25,506,430,154,360.32/5,777,522.19 - Step 6: Final answer
x = 4,414,769.74
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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.