Finding the Fourth Proportional to 2,639,670.41, 3,642,745.11 and 1,432,446.41
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Solution
The fourth proportional to 2,639,670.41, 3,642,745.11 and 1,432,446.41 is: 1,976,776.02
Step by Step Solution
- Step 1: Write the proportion equation
2,639,670.41 : 3,642,745.11 = 1,432,446.41 : x - Step 2: Convert to fraction form
2,639,670.41/3,642,745.11 = 1,432,446.41/x - Step 3: Cross multiply
2,639,670.41x = 3,642,745.11 × 1,432,446.41 - Step 4: Simplify right side
2,639,670.41x = 5,218,037,155,364.56 - Step 5: Solve for x
x = 5,218,037,155,364.56/2,639,670.41 - Step 6: Final answer
x = 1,976,776.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.