Finding the Fourth Proportional to 3,436,134.79, 4,741,736.14 and 1,908,340.33
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Solution
The fourth proportional to 3,436,134.79, 4,741,736.14 and 1,908,340.33 is: 2,633,437.53
Step by Step Solution
- Step 1: Write the proportion equation
3,436,134.79 : 4,741,736.14 = 1,908,340.33 : x - Step 2: Convert to fraction form
3,436,134.79/4,741,736.14 = 1,908,340.33/x - Step 3: Cross multiply
3,436,134.79x = 4,741,736.14 × 1,908,340.33 - Step 4: Simplify right side
3,436,134.79x = 9,048,846,310,180.53 - Step 5: Solve for x
x = 9,048,846,310,180.53/3,436,134.79 - Step 6: Final answer
x = 2,633,437.53
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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.