Finding the Fourth Proportional to 2,589,797.20, 3,883,313.40 and 1,092,197.20
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Solution
The fourth proportional to 2,589,797.20, 3,883,313.40 and 1,092,197.20 is: 1,637,712.80
Step by Step Solution
- Step 1: Write the proportion equation
2,589,797.20 : 3,883,313.40 = 1,092,197.20 : x - Step 2: Convert to fraction form
2,589,797.20/3,883,313.40 = 1,092,197.20/x - Step 3: Cross multiply
2,589,797.20x = 3,883,313.40 × 1,092,197.20 - Step 4: Simplify right side
2,589,797.20x = 4,241,344,022,202.48 - Step 5: Solve for x
x = 4,241,344,022,202.48/2,589,797.20 - Step 6: Final answer
x = 1,637,712.80
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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.