Finding the Fourth Proportional to 5,905,408.74, 8,149,464.17 and 3,189,154.74
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Solution
The fourth proportional to 5,905,408.74, 8,149,464.17 and 3,189,154.74 is: 4,401,033.59
Step by Step Solution
- Step 1: Write the proportion equation
5,905,408.74 : 8,149,464.17 = 3,189,154.74 : x - Step 2: Convert to fraction form
5,905,408.74/8,149,464.17 = 3,189,154.74/x - Step 3: Cross multiply
5,905,408.74x = 8,149,464.17 × 3,189,154.74 - Step 4: Simplify right side
5,905,408.74x = 25,989,902,229,522.57 - Step 5: Solve for x
x = 25,989,902,229,522.57/5,905,408.74 - Step 6: Final answer
x = 4,401,033.59
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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.