Finding the Fourth Proportional to 5,905,461.36, 8,149,536.72 and 3,189,207.36
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Solution
The fourth proportional to 5,905,461.36, 8,149,536.72 and 3,189,207.36 is: 4,401,106.18
Step by Step Solution
- Step 1: Write the proportion equation
5,905,461.36 : 8,149,536.72 = 3,189,207.36 : x - Step 2: Convert to fraction form
5,905,461.36/8,149,536.72 = 3,189,207.36/x - Step 3: Cross multiply
5,905,461.36x = 8,149,536.72 × 3,189,207.36 - Step 4: Simplify right side
5,905,461.36x = 25,990,562,488,014.26 - Step 5: Solve for x
x = 25,990,562,488,014.26/5,905,461.36 - Step 6: Final answer
x = 4,401,106.18
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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.