Finding the Fourth Proportional to 2,586,366.73, 3,569,296.38 and 1,440,447.09
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Solution
The fourth proportional to 2,586,366.73, 3,569,296.38 and 1,440,447.09 is: 1,987,878.41
Step by Step Solution
- Step 1: Write the proportion equation
2,586,366.73 : 3,569,296.38 = 1,440,447.09 : x - Step 2: Convert to fraction form
2,586,366.73/3,569,296.38 = 1,440,447.09/x - Step 3: Cross multiply
2,586,366.73x = 3,569,296.38 × 1,440,447.09 - Step 4: Simplify right side
2,586,366.73x = 5,141,382,583,918.53 - Step 5: Solve for x
x = 5,141,382,583,918.53/2,586,366.73 - Step 6: Final answer
x = 1,987,878.41
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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.