Finding the Fourth Proportional to 1,986,871.68, 2,980,405.44 and 567,136.80
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Solution
The fourth proportional to 1,986,871.68, 2,980,405.44 and 567,136.80 is: 850,733.15
Step by Step Solution
- Step 1: Write the proportion equation
1,986,871.68 : 2,980,405.44 = 567,136.80 : x - Step 2: Convert to fraction form
1,986,871.68/2,980,405.44 = 567,136.80/x - Step 3: Cross multiply
1,986,871.68x = 2,980,405.44 × 567,136.80 - Step 4: Simplify right side
1,986,871.68x = 1,690,297,603,944.19 - Step 5: Solve for x
x = 1,690,297,603,944.19/1,986,871.68 - Step 6: Final answer
x = 850,733.15
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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.