Finding the Fourth Proportional to 5,539,616.33, 7,648,126.72 and 3,580,519.95
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Solution
The fourth proportional to 5,539,616.33, 7,648,126.72 and 3,580,519.95 is: 4,943,351.43
Step by Step Solution
- Step 1: Write the proportion equation
5,539,616.33 : 7,648,126.72 = 3,580,519.95 : x - Step 2: Convert to fraction form
5,539,616.33/7,648,126.72 = 3,580,519.95/x - Step 3: Cross multiply
5,539,616.33x = 7,648,126.72 × 3,580,519.95 - Step 4: Simplify right side
5,539,616.33x = 27,384,270,292,136.77 - Step 5: Solve for x
x = 27,384,270,292,136.77/5,539,616.33 - Step 6: Final answer
x = 4,943,351.43
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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.