Finding the Fourth Proportional to 5,777,621.90, 7,973,020.19 and 3,199,247.31
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Solution
The fourth proportional to 5,777,621.90, 7,973,020.19 and 3,199,247.31 is: 4,414,907.00
Step by Step Solution
- Step 1: Write the proportion equation
5,777,621.90 : 7,973,020.19 = 3,199,247.31 : x - Step 2: Convert to fraction form
5,777,621.90/7,973,020.19 = 3,199,247.31/x - Step 3: Cross multiply
5,777,621.90x = 7,973,020.19 × 3,199,247.31 - Step 4: Simplify right side
5,777,621.90x = 25,507,663,395,433.19 - Step 5: Solve for x
x = 25,507,663,395,433.19/5,777,621.90 - Step 6: Final answer
x = 4,414,907.00
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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.