Finding the Fourth Proportional to 1,548,553.79, 2,136,944.81 and 860,268.92
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Solution
The fourth proportional to 1,548,553.79, 2,136,944.81 and 860,268.92 is: 1,187,138.09
Step by Step Solution
- Step 1: Write the proportion equation
1,548,553.79 : 2,136,944.81 = 860,268.92 : x - Step 2: Convert to fraction form
1,548,553.79/2,136,944.81 = 860,268.92/x - Step 3: Cross multiply
1,548,553.79x = 2,136,944.81 × 860,268.92 - Step 4: Simplify right side
1,548,553.79x = 1,838,347,188,812.24 - Step 5: Solve for x
x = 1,838,347,188,812.24/1,548,553.79 - Step 6: Final answer
x = 1,187,138.09
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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.