Finding the Fourth Proportional to 2,012,232.34, 2,775,964.68 and 1,195,972.18
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Solution
The fourth proportional to 2,012,232.34, 2,775,964.68 and 1,195,972.18 is: 1,649,897.21
Step by Step Solution
- Step 1: Write the proportion equation
2,012,232.34 : 2,775,964.68 = 1,195,972.18 : x - Step 2: Convert to fraction form
2,012,232.34/2,775,964.68 = 1,195,972.18/x - Step 3: Cross multiply
2,012,232.34x = 2,775,964.68 × 1,195,972.18 - Step 4: Simplify right side
2,012,232.34x = 3,319,976,529,942.60 - Step 5: Solve for x
x = 3,319,976,529,942.60/2,012,232.34 - Step 6: Final answer
x = 1,649,897.21
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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.