Finding the Fourth Proportional to 3,750,123.74, 5,175,172.23 and 2,031,238.94
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Solution
The fourth proportional to 3,750,123.74, 5,175,172.23 and 2,031,238.94 is: 2,803,110.53
Step by Step Solution
- Step 1: Write the proportion equation
3,750,123.74 : 5,175,172.23 = 2,031,238.94 : x - Step 2: Convert to fraction form
3,750,123.74/5,175,172.23 = 2,031,238.94/x - Step 3: Cross multiply
3,750,123.74x = 5,175,172.23 × 2,031,238.94 - Step 4: Simplify right side
3,750,123.74x = 10,512,011,354,782.64 - Step 5: Solve for x
x = 10,512,011,354,782.64/3,750,123.74 - Step 6: Final answer
x = 2,803,110.53
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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.