Finding the Fourth Proportional to 2,198,918.81, 3,298,251.84 and 1,306,032.05
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Solution
The fourth proportional to 2,198,918.81, 3,298,251.84 and 1,306,032.05 is: 1,958,973.01
Step by Step Solution
- Step 1: Write the proportion equation
2,198,918.81 : 3,298,251.84 = 1,306,032.05 : x - Step 2: Convert to fraction form
2,198,918.81/3,298,251.84 = 1,306,032.05/x - Step 3: Cross multiply
2,198,918.81x = 3,298,251.84 × 1,306,032.05 - Step 4: Simplify right side
2,198,918.81x = 4,307,622,595,520.21 - Step 5: Solve for x
x = 4,307,622,595,520.21/2,198,918.81 - Step 6: Final answer
x = 1,958,973.01
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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.