Finding the Fourth Proportional to 5,170,504.56, 7,756,270.80 and 1,978,315.62
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Solution
The fourth proportional to 5,170,504.56, 7,756,270.80 and 1,978,315.62 is: 2,967,670.08
Step by Step Solution
- Step 1: Write the proportion equation
5,170,504.56 : 7,756,270.80 = 1,978,315.62 : x - Step 2: Convert to fraction form
5,170,504.56/7,756,270.80 = 1,978,315.62/x - Step 3: Cross multiply
5,170,504.56x = 7,756,270.80 × 1,978,315.62 - Step 4: Simplify right side
5,170,504.56x = 15,344,351,676,589.90 - Step 5: Solve for x
x = 15,344,351,676,589.90/5,170,504.56 - Step 6: Final answer
x = 2,967,670.08
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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.