Finding the Fourth Proportional to 4,143,394.62, 5,718,171.81 and 2,511,870.75
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Solution
The fourth proportional to 4,143,394.62, 5,718,171.81 and 2,511,870.75 is: 3,466,555.77
Step by Step Solution
- Step 1: Write the proportion equation
4,143,394.62 : 5,718,171.81 = 2,511,870.75 : x - Step 2: Convert to fraction form
4,143,394.62/5,718,171.81 = 2,511,870.75/x - Step 3: Cross multiply
4,143,394.62x = 5,718,171.81 × 2,511,870.75 - Step 4: Simplify right side
4,143,394.62x = 14,363,308,522,433.07 - Step 5: Solve for x
x = 14,363,308,522,433.07/4,143,394.62 - Step 6: Final answer
x = 3,466,555.77
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.