Finding the Fourth Proportional to 3,750,125.49, 5,175,174.65 and 2,031,240.69
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Solution
The fourth proportional to 3,750,125.49, 5,175,174.65 and 2,031,240.69 is: 2,803,112.95
Step by Step Solution
- Step 1: Write the proportion equation
3,750,125.49 : 5,175,174.65 = 2,031,240.69 : x - Step 2: Convert to fraction form
3,750,125.49/5,175,174.65 = 2,031,240.69/x - Step 3: Cross multiply
3,750,125.49x = 5,175,174.65 × 2,031,240.69 - Step 4: Simplify right side
3,750,125.49x = 10,512,025,316,780.30 - Step 5: Solve for x
x = 10,512,025,316,780.30/3,750,125.49 - Step 6: Final answer
x = 2,803,112.95
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1.5x scale
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.