Finding the Fourth Proportional to 3,750,422.98, 5,175,608.56 and 2,031,543.48
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Solution
The fourth proportional to 3,750,422.98, 5,175,608.56 and 2,031,543.48 is: 2,803,543.46
Step by Step Solution
- Step 1: Write the proportion equation
3,750,422.98 : 5,175,608.56 = 2,031,543.48 : x - Step 2: Convert to fraction form
3,750,422.98/5,175,608.56 = 2,031,543.48/x - Step 3: Cross multiply
3,750,422.98x = 5,175,608.56 × 2,031,543.48 - Step 4: Simplify right side
3,750,422.98x = 10,514,473,825,100.19 - Step 5: Solve for x
x = 10,514,473,825,100.19/3,750,422.98 - Step 6: Final answer
x = 2,803,543.46
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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.