Finding the Fourth Proportional to 4,212,687.16, 5,813,495.62 and 2,278,947.24
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Solution
The fourth proportional to 4,212,687.16, 5,813,495.62 and 2,278,947.24 is: 3,144,940.34
Step by Step Solution
- Step 1: Write the proportion equation
4,212,687.16 : 5,813,495.62 = 2,278,947.24 : x - Step 2: Convert to fraction form
4,212,687.16/5,813,495.62 = 2,278,947.24/x - Step 3: Cross multiply
4,212,687.16x = 5,813,495.62 × 2,278,947.24 - Step 4: Simplify right side
4,212,687.16x = 13,248,649,797,951.09 - Step 5: Solve for x
x = 13,248,649,797,951.09/4,212,687.16 - Step 6: Final answer
x = 3,144,940.34
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1.5x scale
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.