Finding the Fourth Proportional to 2,292,013.20, 3,438,019.80 and 2,256,583.80
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Solution
The fourth proportional to 2,292,013.20, 3,438,019.80 and 2,256,583.80 is: 3,384,875.70
Step by Step Solution
- Step 1: Write the proportion equation
2,292,013.20 : 3,438,019.80 = 2,256,583.80 : x - Step 2: Convert to fraction form
2,292,013.20/3,438,019.80 = 2,256,583.80/x - Step 3: Cross multiply
2,292,013.20x = 3,438,019.80 × 2,256,583.80 - Step 4: Simplify right side
2,292,013.20x = 7,758,179,784,759.24 - Step 5: Solve for x
x = 7,758,179,784,759.24/2,292,013.20 - Step 6: Final answer
x = 3,384,875.70
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1.5x scale
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.