Finding the Fourth Proportional to 4,135,166.40, 6,202,749.60 and 1,296,148.80
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Solution
The fourth proportional to 4,135,166.40, 6,202,749.60 and 1,296,148.80 is: 1,944,223.20
Step by Step Solution
- Step 1: Write the proportion equation
4,135,166.40 : 6,202,749.60 = 1,296,148.80 : x - Step 2: Convert to fraction form
4,135,166.40/6,202,749.60 = 1,296,148.80/x - Step 3: Cross multiply
4,135,166.40x = 6,202,749.60 × 1,296,148.80 - Step 4: Simplify right side
4,135,166.40x = 8,039,686,450,740.48 - Step 5: Solve for x
x = 8,039,686,450,740.48/4,135,166.40 - Step 6: Final answer
x = 1,944,223.20
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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.