Finding the Fourth Proportional to 3,168,586.63, 4,372,650.57 and 1,718,281.63
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Solution
The fourth proportional to 3,168,586.63, 4,372,650.57 and 1,718,281.63 is: 2,371,229.20
Step by Step Solution
- Step 1: Write the proportion equation
3,168,586.63 : 4,372,650.57 = 1,718,281.63 : x - Step 2: Convert to fraction form
3,168,586.63/4,372,650.57 = 1,718,281.63/x - Step 3: Cross multiply
3,168,586.63x = 4,372,650.57 × 1,718,281.63 - Step 4: Simplify right side
3,168,586.63x = 7,513,445,148,840.03 - Step 5: Solve for x
x = 7,513,445,148,840.03/3,168,586.63 - Step 6: Final answer
x = 2,371,229.20
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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.