Finding the Fourth Proportional to 4,131,991.68, 6,198,344.64 and 1,140,175.68
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Solution
The fourth proportional to 4,131,991.68, 6,198,344.64 and 1,140,175.68 is: 1,710,362.06
Step by Step Solution
- Step 1: Write the proportion equation
4,131,991.68 : 6,198,344.64 = 1,140,175.68 : x - Step 2: Convert to fraction form
4,131,991.68/6,198,344.64 = 1,140,175.68/x - Step 3: Cross multiply
4,131,991.68x = 6,198,344.64 × 1,140,175.68 - Step 4: Simplify right side
4,131,991.68x = 7,067,201,814,786.36 - Step 5: Solve for x
x = 7,067,201,814,786.36/4,131,991.68 - Step 6: Final answer
x = 1,710,362.06
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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.