Finding the Fourth Proportional to 1,424,394.52, 2,135,115.42 and 890,690.56
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Solution
The fourth proportional to 1,424,394.52, 2,135,115.42 and 890,690.56 is: 1,335,112.65
Step by Step Solution
- Step 1: Write the proportion equation
1,424,394.52 : 2,135,115.42 = 890,690.56 : x - Step 2: Convert to fraction form
1,424,394.52/2,135,115.42 = 890,690.56/x - Step 3: Cross multiply
1,424,394.52x = 2,135,115.42 × 890,690.56 - Step 4: Simplify right side
1,424,394.52x = 1,901,727,149,104.44 - Step 5: Solve for x
x = 1,901,727,149,104.44/1,424,394.52 - Step 6: Final answer
x = 1,335,112.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.