Finding the Fourth Proportional to 3,137,946.24, 4,330,183.68 and 1,761,162.24
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Solution
The fourth proportional to 3,137,946.24, 4,330,183.68 and 1,761,162.24 is: 2,430,301.67
Step by Step Solution
- Step 1: Write the proportion equation
3,137,946.24 : 4,330,183.68 = 1,761,162.24 : x - Step 2: Convert to fraction form
3,137,946.24/4,330,183.68 = 1,761,162.24/x - Step 3: Cross multiply
3,137,946.24x = 4,330,183.68 × 1,761,162.24 - Step 4: Simplify right side
3,137,946.24x = 7,626,155,989,480.24 - Step 5: Solve for x
x = 7,626,155,989,480.24/3,137,946.24 - Step 6: Final answer
x = 2,430,301.67
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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.