Finding the Fourth Proportional to 3,750,421.98, 5,175,607.18 and 2,031,542.48
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Solution
The fourth proportional to 3,750,421.98, 5,175,607.18 and 2,031,542.48 is: 2,803,542.08
Step by Step Solution
- Step 1: Write the proportion equation
3,750,421.98 : 5,175,607.18 = 2,031,542.48 : x - Step 2: Convert to fraction form
3,750,421.98/5,175,607.18 = 2,031,542.48/x - Step 3: Cross multiply
3,750,421.98x = 5,175,607.18 × 2,031,542.48 - Step 4: Simplify right side
3,750,421.98x = 10,514,465,845,963.01 - Step 5: Solve for x
x = 10,514,465,845,963.01/3,750,421.98 - Step 6: Final answer
x = 2,803,542.08
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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.