Finding the Fourth Proportional to 1,551,212.40, 2,328,568.20 and 1,197,793.20
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Solution
The fourth proportional to 1,551,212.40, 2,328,568.20 and 1,197,793.20 is: 1,798,040.78
Step by Step Solution
- Step 1: Write the proportion equation
1,551,212.40 : 2,328,568.20 = 1,197,793.20 : x - Step 2: Convert to fraction form
1,551,212.40/2,328,568.20 = 1,197,793.20/x - Step 3: Cross multiply
1,551,212.40x = 2,328,568.20 × 1,197,793.20 - Step 4: Simplify right side
1,551,212.40x = 2,789,143,155,696.24 - Step 5: Solve for x
x = 2,789,143,155,696.24/1,551,212.40 - Step 6: Final answer
x = 1,798,040.78
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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.