Finding the Fourth Proportional to 2,194,927.20, 3,292,390.80 and 775,126.80
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Solution
The fourth proportional to 2,194,927.20, 3,292,390.80 and 775,126.80 is: 1,162,690.20
Step by Step Solution
- Step 1: Write the proportion equation
2,194,927.20 : 3,292,390.80 = 775,126.80 : x - Step 2: Convert to fraction form
2,194,927.20/3,292,390.80 = 775,126.80/x - Step 3: Cross multiply
2,194,927.20x = 3,292,390.80 × 775,126.80 - Step 4: Simplify right side
2,194,927.20x = 2,552,020,345,153.44 - Step 5: Solve for x
x = 2,552,020,345,153.44/2,194,927.20 - Step 6: Final answer
x = 1,162,690.20
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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.