Finding the Fourth Proportional to 3,723,963.40, 5,585,945.10 and 1,330,510.60
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Solution
The fourth proportional to 3,723,963.40, 5,585,945.10 and 1,330,510.60 is: 1,995,765.90
Step by Step Solution
- Step 1: Write the proportion equation
3,723,963.40 : 5,585,945.10 = 1,330,510.60 : x - Step 2: Convert to fraction form
3,723,963.40/5,585,945.10 = 1,330,510.60/x - Step 3: Cross multiply
3,723,963.40x = 5,585,945.10 × 1,330,510.60 - Step 4: Simplify right side
3,723,963.40x = 7,432,159,166,568.06 - Step 5: Solve for x
x = 7,432,159,166,568.06/3,723,963.40 - Step 6: Final answer
x = 1,995,765.90
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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.