Finding the Fourth Proportional to 2,783,397.40, 4,174,512.90 and 1,364,471.80
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Solution
The fourth proportional to 2,783,397.40, 4,174,512.90 and 1,364,471.80 is: 2,046,421.80
Step by Step Solution
- Step 1: Write the proportion equation
2,783,397.40 : 4,174,512.90 = 1,364,471.80 : x - Step 2: Convert to fraction form
2,783,397.40/4,174,512.90 = 1,364,471.80/x - Step 3: Cross multiply
2,783,397.40x = 4,174,512.90 × 1,364,471.80 - Step 4: Simplify right side
2,783,397.40x = 5,696,005,130,786.22 - Step 5: Solve for x
x = 5,696,005,130,786.22/2,783,397.40 - Step 6: Final answer
x = 2,046,421.80
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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.