Finding the Fourth Proportional to 4,212,674.42, 5,813,478.02 and 2,278,934.46
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Solution
The fourth proportional to 4,212,674.42, 5,813,478.02 and 2,278,934.46 is: 3,144,922.70
Step by Step Solution
- Step 1: Write the proportion equation
4,212,674.42 : 5,813,478.02 = 2,278,934.46 : x - Step 2: Convert to fraction form
4,212,674.42/5,813,478.02 = 2,278,934.46/x - Step 3: Cross multiply
4,212,674.42x = 5,813,478.02 × 2,278,934.46 - Step 4: Simplify right side
4,212,674.42x = 13,248,535,397,927.90 - Step 5: Solve for x
x = 13,248,535,397,927.90/4,212,674.42 - Step 6: Final answer
x = 3,144,922.70
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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.