Finding the Fourth Proportional to 3,750,118.74, 5,175,165.33 and 2,031,233.94
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Solution
The fourth proportional to 3,750,118.74, 5,175,165.33 and 2,031,233.94 is: 2,803,103.63
Step by Step Solution
- Step 1: Write the proportion equation
3,750,118.74 : 5,175,165.33 = 2,031,233.94 : x - Step 2: Convert to fraction form
3,750,118.74/5,175,165.33 = 2,031,233.94/x - Step 3: Cross multiply
3,750,118.74x = 5,175,165.33 × 2,031,233.94 - Step 4: Simplify right side
3,750,118.74x = 10,511,971,463,407.30 - Step 5: Solve for x
x = 10,511,971,463,407.30/3,750,118.74 - Step 6: Final answer
x = 2,803,103.63
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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.