Finding the Fourth Proportional to 4,231,858.62, 6,345,787.15 and 1,639,377.68
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Solution
The fourth proportional to 4,231,858.62, 6,345,787.15 and 1,639,377.68 is: 2,458,291.44
Step by Step Solution
- Step 1: Write the proportion equation
4,231,858.62 : 6,345,787.15 = 1,639,377.68 : x - Step 2: Convert to fraction form
4,231,858.62/6,345,787.15 = 1,639,377.68/x - Step 3: Cross multiply
4,231,858.62x = 6,345,787.15 × 1,639,377.68 - Step 4: Simplify right side
4,231,858.62x = 10,403,141,815,740.81 - Step 5: Solve for x
x = 10,403,141,815,740.81/4,231,858.62 - Step 6: Final answer
x = 2,458,291.44
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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.