Finding the Fourth Proportional to 2,162,806.40, 2,984,629.20 and 1,195,977.44
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Solution
The fourth proportional to 2,162,806.40, 2,984,629.20 and 1,195,977.44 is: 1,650,424.74
Step by Step Solution
- Step 1: Write the proportion equation
2,162,806.40 : 2,984,629.20 = 1,195,977.44 : x - Step 2: Convert to fraction form
2,162,806.40/2,984,629.20 = 1,195,977.44/x - Step 3: Cross multiply
2,162,806.40x = 2,984,629.20 × 1,195,977.44 - Step 4: Simplify right side
2,162,806.40x = 3,569,549,189,965.25 - Step 5: Solve for x
x = 3,569,549,189,965.25/2,162,806.40 - Step 6: Final answer
x = 1,650,424.74
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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.