Finding the Fourth Proportional to 3,686,134.97, 5,531,692.13 and 1,290,000.53
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Solution
The fourth proportional to 3,686,134.97, 5,531,692.13 and 1,290,000.53 is: 1,935,872.08
Step by Step Solution
- Step 1: Write the proportion equation
3,686,134.97 : 5,531,692.13 = 1,290,000.53 : x - Step 2: Convert to fraction form
3,686,134.97/5,531,692.13 = 1,290,000.53/x - Step 3: Cross multiply
3,686,134.97x = 5,531,692.13 × 1,290,000.53 - Step 4: Simplify right side
3,686,134.97x = 7,135,885,745,388.37 - Step 5: Solve for x
x = 7,135,885,745,388.37/3,686,134.97 - Step 6: Final answer
x = 1,935,872.08
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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.