Finding the Fourth Proportional to 2,459,420.37, 3,664,680.55 and 2,191,119.21
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Solution
The fourth proportional to 2,459,420.37, 3,664,680.55 and 2,191,119.21 is: 3,264,896.09
Step by Step Solution
- Step 1: Write the proportion equation
2,459,420.37 : 3,664,680.55 = 2,191,119.21 : x - Step 2: Convert to fraction form
2,459,420.37/3,664,680.55 = 2,191,119.21/x - Step 3: Cross multiply
2,459,420.37x = 3,664,680.55 × 2,191,119.21 - Step 4: Simplify right side
2,459,420.37x = 8,029,751,946,140.57 - Step 5: Solve for x
x = 8,029,751,946,140.57/2,459,420.37 - Step 6: Final answer
x = 3,264,896.09
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.