Finding the Fourth Proportional to 1,485,331.73, 2,049,806.60 and 840,738.08
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Solution
The fourth proportional to 1,485,331.73, 2,049,806.60 and 840,738.08 is: 1,160,246.19
Step by Step Solution
- Step 1: Write the proportion equation
1,485,331.73 : 2,049,806.60 = 840,738.08 : x - Step 2: Convert to fraction form
1,485,331.73/2,049,806.60 = 840,738.08/x - Step 3: Cross multiply
1,485,331.73x = 2,049,806.60 × 840,738.08 - Step 4: Simplify right side
1,485,331.73x = 1,723,350,474,058.07 - Step 5: Solve for x
x = 1,723,350,474,058.07/1,485,331.73 - Step 6: Final answer
x = 1,160,246.19
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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.