Finding the Fourth Proportional to 2,449,106.78, 3,379,807.67 and 1,346,584.79
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Solution
The fourth proportional to 2,449,106.78, 3,379,807.67 and 1,346,584.79 is: 1,858,309.17
Step by Step Solution
- Step 1: Write the proportion equation
2,449,106.78 : 3,379,807.67 = 1,346,584.79 : x - Step 2: Convert to fraction form
2,449,106.78/3,379,807.67 = 1,346,584.79/x - Step 3: Cross multiply
2,449,106.78x = 3,379,807.67 × 1,346,584.79 - Step 4: Simplify right side
2,449,106.78x = 4,551,197,577,915.38 - Step 5: Solve for x
x = 4,551,197,577,915.38/2,449,106.78 - Step 6: Final answer
x = 1,858,309.17
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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.