Finding the Fourth Proportional to 1,791,074.88, 2,471,857.92 and 1,337,578.56
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Solution
The fourth proportional to 1,791,074.88, 2,471,857.92 and 1,337,578.56 is: 1,845,988.79
Step by Step Solution
- Step 1: Write the proportion equation
1,791,074.88 : 2,471,857.92 = 1,337,578.56 : x - Step 2: Convert to fraction form
1,791,074.88/2,471,857.92 = 1,337,578.56/x - Step 3: Cross multiply
1,791,074.88x = 2,471,857.92 × 1,337,578.56 - Step 4: Simplify right side
1,791,074.88x = 3,306,304,157,158.20 - Step 5: Solve for x
x = 3,306,304,157,158.20/1,791,074.88 - Step 6: Final answer
x = 1,845,988.79
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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.