Finding the Fourth Proportional to 3,538,068.42, 5,306,076.34 and 1,378,611.84
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Solution
The fourth proportional to 3,538,068.42, 5,306,076.34 and 1,378,611.84 is: 2,067,517.87
Step by Step Solution
- Step 1: Write the proportion equation
3,538,068.42 : 5,306,076.34 = 1,378,611.84 : x - Step 2: Convert to fraction form
3,538,068.42/5,306,076.34 = 1,378,611.84/x - Step 3: Cross multiply
3,538,068.42x = 5,306,076.34 × 1,378,611.84 - Step 4: Simplify right side
3,538,068.42x = 7,315,019,666,267.87 - Step 5: Solve for x
x = 7,315,019,666,267.87/3,538,068.42 - Step 6: Final answer
x = 2,067,517.87
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.