Finding the Fourth Proportional to 2,783,258.94, 3,840,912.09 and 1,559,567.10
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Solution
The fourth proportional to 2,783,258.94, 3,840,912.09 and 1,559,567.10 is: 2,152,210.86
Step by Step Solution
- Step 1: Write the proportion equation
2,783,258.94 : 3,840,912.09 = 1,559,567.10 : x - Step 2: Convert to fraction form
2,783,258.94/3,840,912.09 = 1,559,567.10/x - Step 3: Cross multiply
2,783,258.94x = 3,840,912.09 × 1,559,567.10 - Step 4: Simplify right side
2,783,258.94x = 5,990,160,129,556.24 - Step 5: Solve for x
x = 5,990,160,129,556.24/2,783,258.94 - Step 6: Final answer
x = 2,152,210.86
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1.5x scale
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.