Finding the Fourth Proportional to 5,119,299.99, 7,678,978.56 and 1,707,577.16
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Solution
The fourth proportional to 5,119,299.99, 7,678,978.56 and 1,707,577.16 is: 2,561,375.26
Step by Step Solution
- Step 1: Write the proportion equation
5,119,299.99 : 7,678,978.56 = 1,707,577.16 : x - Step 2: Convert to fraction form
5,119,299.99/7,678,978.56 = 1,707,577.16/x - Step 3: Cross multiply
5,119,299.99x = 7,678,978.56 × 1,707,577.16 - Step 4: Simplify right side
5,119,299.99x = 13,112,448,362,790.80 - Step 5: Solve for x
x = 13,112,448,362,790.80/5,119,299.99 - Step 6: Final answer
x = 2,561,375.26
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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.