Finding the Fourth Proportional to 5,181,861.38, 7,770,534.65 and 2,752,482.99
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Solution
The fourth proportional to 5,181,861.38, 7,770,534.65 and 2,752,482.99 is: 4,127,525.40
Step by Step Solution
- Step 1: Write the proportion equation
5,181,861.38 : 7,770,534.65 = 2,752,482.99 : x - Step 2: Convert to fraction form
5,181,861.38/7,770,534.65 = 2,752,482.99/x - Step 3: Cross multiply
5,181,861.38x = 7,770,534.65 × 2,752,482.99 - Step 4: Simplify right side
5,181,861.38x = 21,388,264,433,568.19 - Step 5: Solve for x
x = 21,388,264,433,568.19/5,181,861.38 - Step 6: Final answer
x = 4,127,525.40
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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.