Finding the Fourth Proportional to 4,160,762.40, 6,241,143.60 and 2,743,586.40
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Solution
The fourth proportional to 4,160,762.40, 6,241,143.60 and 2,743,586.40 is: 4,115,379.60
Step by Step Solution
- Step 1: Write the proportion equation
4,160,762.40 : 6,241,143.60 = 2,743,586.40 : x - Step 2: Convert to fraction form
4,160,762.40/6,241,143.60 = 2,743,586.40/x - Step 3: Cross multiply
4,160,762.40x = 6,241,143.60 × 2,743,586.40 - Step 4: Simplify right side
4,160,762.40x = 17,123,116,701,407.04 - Step 5: Solve for x
x = 17,123,116,701,407.04/4,160,762.40 - Step 6: Final answer
x = 4,115,379.60
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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.