Finding the Fourth Proportional to 2,907,229.98, 4,360,965.21 and 857,890.56
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Solution
The fourth proportional to 2,907,229.98, 4,360,965.21 and 857,890.56 is: 1,286,871.32
Step by Step Solution
- Step 1: Write the proportion equation
2,907,229.98 : 4,360,965.21 = 857,890.56 : x - Step 2: Convert to fraction form
2,907,229.98/4,360,965.21 = 857,890.56/x - Step 3: Cross multiply
2,907,229.98x = 4,360,965.21 × 857,890.56 - Step 4: Simplify right side
2,907,229.98x = 3,741,230,886,147.42 - Step 5: Solve for x
x = 3,741,230,886,147.42/2,907,229.98 - Step 6: Final answer
x = 1,286,871.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.