Finding the Fourth Proportional to 5,143,763.46, 7,715,670.97 and 1,305,587.03
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Solution
The fourth proportional to 5,143,763.46, 7,715,670.97 and 1,305,587.03 is: 1,958,387.08
Step by Step Solution
- Step 1: Write the proportion equation
5,143,763.46 : 7,715,670.97 = 1,305,587.03 : x - Step 2: Convert to fraction form
5,143,763.46/7,715,670.97 = 1,305,587.03/x - Step 3: Cross multiply
5,143,763.46x = 7,715,670.97 × 1,305,587.03 - Step 4: Simplify right side
5,143,763.46x = 10,073,479,913,517.43 - Step 5: Solve for x
x = 10,073,479,913,517.43/5,143,763.46 - Step 6: Final answer
x = 1,958,387.08
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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.