Finding the Fourth Proportional to 1,398,202.32, 2,087,096.02 and 1,199,797.68
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Solution
The fourth proportional to 1,398,202.32, 2,087,096.02 and 1,199,797.68 is: 1,790,937.50
Step by Step Solution
- Step 1: Write the proportion equation
1,398,202.32 : 2,087,096.02 = 1,199,797.68 : x - Step 2: Convert to fraction form
1,398,202.32/2,087,096.02 = 1,199,797.68/x - Step 3: Cross multiply
1,398,202.32x = 2,087,096.02 × 1,199,797.68 - Step 4: Simplify right side
1,398,202.32x = 2,504,092,962,733.23 - Step 5: Solve for x
x = 2,504,092,962,733.23/1,398,202.32 - Step 6: Final answer
x = 1,790,937.50
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.