Finding the Fourth Proportional to 1,691,476.27, 2,539,379.57 and 1,453,115.14
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Solution
The fourth proportional to 1,691,476.27, 2,539,379.57 and 1,453,115.14 is: 2,181,532.76
Step by Step Solution
- Step 1: Write the proportion equation
1,691,476.27 : 2,539,379.57 = 1,453,115.14 : x - Step 2: Convert to fraction form
1,691,476.27/2,539,379.57 = 1,453,115.14/x - Step 3: Cross multiply
1,691,476.27x = 2,539,379.57 × 1,453,115.14 - Step 4: Simplify right side
1,691,476.27x = 3,690,010,900,043.68 - Step 5: Solve for x
x = 3,690,010,900,043.68/1,691,476.27 - Step 6: Final answer
x = 2,181,532.76
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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.