Finding the Fourth Proportional to 1,987,577.51, 2,982,850.15 and 1,476,422.99
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Solution
The fourth proportional to 1,987,577.51, 2,982,850.15 and 1,476,422.99 is: 2,215,736.76
Step by Step Solution
- Step 1: Write the proportion equation
1,987,577.51 : 2,982,850.15 = 1,476,422.99 : x - Step 2: Convert to fraction form
1,987,577.51/2,982,850.15 = 1,476,422.99/x - Step 3: Cross multiply
1,987,577.51x = 2,982,850.15 × 1,476,422.99 - Step 4: Simplify right side
1,987,577.51x = 4,403,948,537,184.95 - Step 5: Solve for x
x = 4,403,948,537,184.95/1,987,577.51 - Step 6: Final answer
x = 2,215,736.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.