Finding the Fourth Proportional to 1,449,784.20, 2,172,602.70 and 1,067,723.40
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Solution
The fourth proportional to 1,449,784.20, 2,172,602.70 and 1,067,723.40 is: 1,600,057.95
Step by Step Solution
- Step 1: Write the proportion equation
1,449,784.20 : 2,172,602.70 = 1,067,723.40 : x - Step 2: Convert to fraction form
1,449,784.20/2,172,602.70 = 1,067,723.40/x - Step 3: Cross multiply
1,449,784.20x = 2,172,602.70 × 1,067,723.40 - Step 4: Simplify right side
1,449,784.20x = 2,319,738,741,693.18 - Step 5: Solve for x
x = 2,319,738,741,693.18/1,449,784.20 - Step 6: Final answer
x = 1,600,057.95
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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.