Finding the Fourth Proportional to 1,414,972.20, 2,122,458.30 and 848,101.80
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Solution
The fourth proportional to 1,414,972.20, 2,122,458.30 and 848,101.80 is: 1,272,152.70
Step by Step Solution
- Step 1: Write the proportion equation
1,414,972.20 : 2,122,458.30 = 848,101.80 : x - Step 2: Convert to fraction form
1,414,972.20/2,122,458.30 = 848,101.80/x - Step 3: Cross multiply
1,414,972.20x = 2,122,458.30 × 848,101.80 - Step 4: Simplify right side
1,414,972.20x = 1,800,060,704,654.94 - Step 5: Solve for x
x = 1,800,060,704,654.94/1,414,972.20 - Step 6: Final answer
x = 1,272,152.70
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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.