Finding the Fourth Proportional to 2,216,610.68, 3,318,919.20 and 1,149,409.28
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Solution
The fourth proportional to 2,216,610.68, 3,318,919.20 and 1,149,409.28 is: 1,721,004.31
Step by Step Solution
- Step 1: Write the proportion equation
2,216,610.68 : 3,318,919.20 = 1,149,409.28 : x - Step 2: Convert to fraction form
2,216,610.68/3,318,919.20 = 1,149,409.28/x - Step 3: Cross multiply
2,216,610.68x = 3,318,919.20 × 1,149,409.28 - Step 4: Simplify right side
2,216,610.68x = 3,814,796,528,050.18 - Step 5: Solve for x
x = 3,814,796,528,050.18/2,216,610.68 - Step 6: Final answer
x = 1,721,004.31
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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.