Finding the Fourth Proportional to 5,296,638.21, 7,945,031.13 and 1,510,121.09
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Solution
The fourth proportional to 5,296,638.21, 7,945,031.13 and 1,510,121.09 is: 2,265,202.68
Step by Step Solution
- Step 1: Write the proportion equation
5,296,638.21 : 7,945,031.13 = 1,510,121.09 : x - Step 2: Convert to fraction form
5,296,638.21/7,945,031.13 = 1,510,121.09/x - Step 3: Cross multiply
5,296,638.21x = 7,945,031.13 × 1,510,121.09 - Step 4: Simplify right side
5,296,638.21x = 11,997,959,054,032.26 - Step 5: Solve for x
x = 11,997,959,054,032.26/5,296,638.21 - Step 6: Final answer
x = 2,265,202.68
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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.